United States. Patent Office & Eifel, J. (1928). In Court of Appeals of D.C., Oct. term, 1928, patent appeal No. 2246, in re Joseph Eifel, design for wrenches; brieffor Commissioner of Patents. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Patent Office and Joseph Eifel. In Court of Appeals of D.C., Oct. Term, 1928, Patent Appeal No. 2246, in Re Joseph Eifel, Design for Wrenches; Brieffor Commissioner of Patents. [Washington?]: U.S. G.P.O., 1928.
MLA (9th ed.) CitationUnited States. Patent Office and Joseph Eifel. In Court of Appeals of D.C., Oct. Term, 1928, Patent Appeal No. 2246, in Re Joseph Eifel, Design for Wrenches; Brieffor Commissioner of Patents. U.S. G.P.O., 1928.
Warning: These citations may not always be 100% accurate.