United States. Patent Office & Stubbs, R. C. (1931). In U.S. Court of Customs and Patent Appeals, patent appeal No. 2955, in matter of application of Robert C. Stubbs, cut-surface concrete, et cetera; brief for Commissioner of Patents. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Patent Office and Robert C. Stubbs. In U.S. Court of Customs and Patent Appeals, Patent Appeal No. 2955, in Matter of Application of Robert C. Stubbs, Cut-surface Concrete, Et Cetera; Brief for Commissioner of Patents. [Washington?]: U.S. Government Printing Office, 1931.
MLA (9th ed.) CitationUnited States. Patent Office and Robert C. Stubbs. In U.S. Court of Customs and Patent Appeals, Patent Appeal No. 2955, in Matter of Application of Robert C. Stubbs, Cut-surface Concrete, Et Cetera; Brief for Commissioner of Patents. U.S. Government Printing Office, 1931.