American Bitumuls & Asphalt Co. v. United StatesAmerican Bitumuls & Asphalt Co. v. United StatesSupreme Court of the United StatesNov 25, 1957No. 493Versions:78 S. Ct. 1502 L. Ed. 2d 1131957 U.S. LEXIS 145355 U.S. 883 Court of Customs and Patent Appeals. Certiorari denied.