United States. Patent Office, Wadsworth, G. H., & Welton, P. E. (1928). In Court of Appeals of D.C., Jan term, 1928, patent appeal No. 2139, in matter of application of Park E. Welton and George H. Wadsworth, fuel briquet; brief for Commissioner of Patents. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Patent Office, George H. Wadsworth, and Park E. Welton. In Court of Appeals of D.C., Jan Term, 1928, Patent Appeal No. 2139, in Matter of Application of Park E. Welton and George H. Wadsworth, Fuel Briquet; Brief for Commissioner of Patents. Washington, D.C.: [publisher not identified], 1928.
MLA (9th ed.) CitationUnited States. Patent Office, et al. In Court of Appeals of D.C., Jan Term, 1928, Patent Appeal No. 2139, in Matter of Application of Park E. Welton and George H. Wadsworth, Fuel Briquet; Brief for Commissioner of Patents. [publisher not identified], 1928.