31 F.2d 463 | D. Del. | 1929
All the claims of patent No. 1,588,948, granted to Edward A. Downey, June 15, 1926, on an application filed March 6, 1925, are here in issue. The device called for by the claims is a hinge connecting the several panels of slatted racks, used upon the floor of fruit and vegetable cars to allow better ventilation and refrigeration, so as to permit the folding of the panels face to face or hack to hack. The plaintiff, John A. Massie, trustee, is Downey’s assignee. The defendant, Fruit Growers’ Express Company, though conceding that it has manufactured and used for its ventilating raeks the identical hinge of the claims, never- ’ theless denies liability therefor. It plants this denial upon three grounds: (1) That David MeEwan, not Downey, was the inventor; (2) that the device was in public use before March 6, 1923; and (3) that the defendant has an implied license or shop right.
During the fall of 1922 the defendant decided to begin the general use of floor racks
The true question here, as in all cases of this character, is whether the evidence in opposition to the patent is or is not sufficient to overcome that, including the presumption of validity, presented in its favor.
The evidence is conflicting. Downey .testified that in January, 1923, when the matter of obtaining a suitable hinge was one of general interest among defendant’s employees, he made a pencil sketch of the hinge on a board, here in evidence, showed it to MeEwan, explained to him its mode of operation, and that on the following Monday MeEwan, defendant’s foreman in charge of its floor racks, brought in on a cardboard, now lost, a drawing of that hinge. That the pencil sketch upon the board in evidence fully illustrates and discloses the subject-mattef of the invention is, apparently, neither questioned nor open to question. McEwan, however, denies that Downey exhibited to him the pencil sketch or made to him any suggestion with regard to the hinge. He asserts that he conceived the hinge and made his sketch without any aid whatsoever from any one. Each states that the other was permitted to join in the application for the joint patent solely because of that other’s assistance in obtaining the patent. There is no other direct evidence upon this issue. In defendant’s view the circumstantial evidence, consisting of the subsequent conduct, behaviour, and acts of the two men, is reconcilable only with the story of McEwan. But when it is remembered that McEwan was the foreman in charge of the racks and that Downey was a mill carpenter having nothing to do with racks, the difference in their conduct seems entirely consistent with their respective tasks, without regard to whether the hinge was the invention of the one or the other.
Regardless of MeEwan’s present recollection of the matter, I am convinced that the finding of the Examiner of Interferences, that Downey invented the hinge, made a complete disclosure of his invention to McEwan, and that MeEwan’s drawing was merely a reduction of Downey’s disclosure to the precise dimensions required for use with lumber of the size employed for the racks, was entirely correct.
Was the hinge in public use before March 6, 1923 ? Late in January or early in February of that year, soon after the completion of his drawing, McEwan with Downey’s knowledge caused two hinges to be made in defendant’s blacksmith shop, to be attached to two sections of floor rack and their utility or practicability for defendant’s purposes tested, or, to use Downey’s term, “demonstrated,” in defendant’s yard in the presence of Anderson, the company’s mechanical engineer, Smith, the shop superintendent, Schulze, the general foreman, MeEwan, Downey, and one'or two others con
Some time later the defendant equipped the racks for one of its ears with a full set of sixteen Downey hinges, made at its blacksmith shop, placed the racks so equipped in the car, and then “released” the ear for use in the usual manner. With respect to this car two questions arise: First, was this use of the Downey hinge before or after March 6, 1923; and, second, was this use an experimental or a public use? Defendant was unable to produce any record, or other written evidence, identifying the car that was so equipped or fixing the date the hinges were made or put. in the car. To establish that this use was more than two years before the date of Downey’s application, the defendant is compelled to rely upon oral testimony.
Five witnesses, testifying more than five years after the event, fix the date upon which a car was first equipped with racks connected by the Downey hinge as February, or late January, 1923. The only aids to their memr ory are the recollection that the equipment of the car with the hinge was within a short time, a week or ten days, after the inspection of the racks in the yard, and a further recollection that it was before the completion of a certain car shed that was finished between the middle and the 25th of February, 1923. I do not question the honesty of a single one of these witnesses. Yet, before a court is permitted to find a prior public use, it must be satisfied “by evidence so cogent as to leave no reasonable doubt in the mind of the court that the transaction occurred substantially as stated.” Deering v. Winona Harvester Works, 155 U. S. 286, 301, 15 S. Ct. 113, 124 (39 L. Ed. 153). Human memory is far from infallible. In the matter of dates experience has found it especially imperfect. Brooks v. Sacks, 81 F. 403 (C. C. A. 1); McArthur v. Sears, 21 Wend. (N. Y.) 190, 192; Goble v. Grant, 3 N. J. Eq. 629, 633. Other things being equal, the clarity and certainty of memory with respect to an occurrence vary with its recency. It is well known that memory frequently tends to confuse the dates and relative times of the happening of similar or related events. To require the unaided memory to fix with absolute precision the particular month in which a certain event took place more than five years past imposes upon it a task for which it is seldom equipped. Again, it is not possible to" conclude with reasonable certainty that the association of the completion of the car shed and the Downey .hinge in the minds of the witnesses did not arise from the advent
Again, the Downey hinge was not put in general use by the defendant until June, 1923. It seems obvious that any one or more blacksmith-made sets put in use in ears prior to that time were so used for experimental purposes. I think the patent in suit is valid.
I find no premises of fact upon which a conclusion that the defendant has an implied license or shop right can be based. It is true that at the time he made and disclosed the invention to the defendant, Downey was one of its employees. His work, however, was that of mill carpenter. It had nothing whatever to do with floor racks or floor-raek hinges. In no sense can it be said that his invention was made in the course of his employment. Hor did he use the time or property of his employer either to develop or to put his invention into practical form. The most that can be said is that he permitted the defendant to make and experiment with the hinge in order that they might be convinced, as he already was, of its merits. He did not assent to the use of the hinge by his employer. The company was notified of the application for the joint patent and its grant.
Soon after its grant an offer to sell it to the company was made and refused. Later, in September, 1925, the company prepared an assignment to it of the shop rights under the patent. Downey and MeEwan refused to sign it. Downey was told that he could have “until four o’clock to think it over.” He construed this to be a discharge and left the company. At defendant’s request he returned and has since continued in its employ. His attitude with respect to his monopoly has not been different since the granting of the patent in suit. Downey has received from the defendant nothing whatever in time, money, or materials for his invention, and he has done nothing to estop him from denying that defendant has a shop right. I think it has none. Solomons v. United States, 137 U. S. 342, 346,11 S. Ct. 88, 34 L. Ed. 667.
The prayers of the bill of complaint must be granted.