00784cam a22002171 4500 agr44000180 DLC 20260227111002.0 890818s1944 dcua 000 0 eng agr44000180 (OCoLC)22562596 DLC NNC-L OCoLC DLC premarc T223.T2 A4 1944 United States. Department of Agriculture. Office of the General Counsel. Patent manual for employees of the United States Department of Agriculture, 1944; Washington, U.S. Govt. Print. Off. [1944] iii, 41 p. illus. 23 cm. Patent laws and legislation United States. Miscellaneous publication (United States. Department of Agriculture) ; no. 551. 10309 10309