United States. Patent Office & Waldheim, J. (1928). In Court of Appeals of D.C., Apr. term, 1928, patent appeal No. 2168, in matter of application of John Waldheim, typewriting machines; brief for Commissioner of Patents. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Patent Office and John Waldheim. In Court of Appeals of D.C., Apr. Term, 1928, Patent Appeal No. 2168, in Matter of Application of John Waldheim, Typewriting Machines; Brief for Commissioner of Patents. Washington, D.C.: [publisher not identified], 1928.
MLA (9th ed.) CitationUnited States. Patent Office and John Waldheim. In Court of Appeals of D.C., Apr. Term, 1928, Patent Appeal No. 2168, in Matter of Application of John Waldheim, Typewriting Machines; Brief for Commissioner of Patents. [publisher not identified], 1928.