338 U.S. 318 338 U.S. 318 70 S.Ct. 123 94 L.Ed. 123 KINGSLAND, Commissioner of Patents,v.DORSEY. No. 53. Argued Oct. 18—19, 1949. Decided Nov. 21, 1949. Rehearing Denied Jan. 9, 1950. See 338 U.S. 939, 70 S.Ct. 341. Mr. Robert L. Stern, Washington, D.C., for petitioner. Mr. William E. Leahy, Washington, D.C., for respondent. PER […]