01049nam a2200289Ia 4500 78669 BIBL 20160527202322.0 780605d19uu1979dcuuu p l f0 a0eng d (OCoLC)03949181 DLM DLM UDI m.c. OCL NSD DLC PUED T223 .T1 Patent laws Patent laws. Washington U. S. Govt. Print. Off. U.S. Dept. of Commerce, Patent & Trademark Office, Washington, D.C. 20231 v. 23 cm. Ceased with issue for June 1979. Patent laws and legislation United States. 148193 Local Copyright United States. 80627 Local Trademarks United States. cn 180992 Local United States. Patent and Trademark Office cn 183007 Local United States Patent Office 1n 182913 Local Patent and trademark laws 0736-9670 (DLC) 83647303 (OCoLC)9277241 710/2 United States Patent Office. 63133 63133 0 0 0 T_223_000000000000000__T1 0 cil 347469 7 7 4 2016-05-27 127235 0 T223 .T1 mq127235 2016-05-27 00:00:00 r:78669 z:NCC:L 6