Index of patents issued from the United States Patent and Trademark Office.
- Other records:
- Washington : The Office : For sale by the Supt. of Docs., U.S. G.P.O.,
- Government document
v. ; 27 cm.
Began with 1974.
- Index of patents issued from the United States Patent Office
- Patents -- United States -- Collected works.
Trademarks -- United States -- Collected works.
- Description based on: 1979, pt. 1.
Issues for 1974- published in 2 vols.
- United States. Patent and Trademark Office.