291 U.S. 683 291 U.S. 683 54 S.Ct. 560 78 L.Ed. 1070 Charles K. CREGIER, petitioner,v.Conway P. COE, Commissioner of Patents.* No. 772. Supreme Court of the United States March 19, 1934 Mr. Henry E. Stauffer, of Washington, D. C., for petitioner. The Attorney General and Messrs. J. Crawford Biggs, Sol. Gen., of Washington, D. […]