The provisions of section 4906, Rev. St. [U. S. Comp. St. 1901, p. 3390], are broad enough to cover the issuance of subpoena in this proceeding, which certainly is “a contested case -pending in- the Patent Office.” That section, however, does not authorize the issuance of a subpoena duces tecum; nor can any such authorization.be found in section 716 [U. S. Comp. St. 1901, p. 580], which deals only with writs necessary for the exercise of the court’s own- jurisdiction to hear and determine a controversy before it. The decision of Judge Dallas in Ex parte Moses (C. C.) 53 Fed. 346, is approved and followed.
The petitioner may take an order holding parties in contempt for failure to- “appear and testify,” and a fine of $50 to the United States is imposed, in each ca?e.. If respqndents. wish to-review, this decision,
The application to punish for failure to produce books and gapers is denied.