Who's inventing what? : patents granted in the United States as reported in the Official Gazette of the United States Patent and Trademark Office : patents from January through March 1990 /
Who's inventing what? : patents granted in the United States as reported in the Official Gazette of the United States Patent and Trademark Office : patents from January through March 1990 /
Ellen Pare, editorial coordinator
- Detroit, Mich. : Gale Research Co., 1990
- x, 864 p. : ill. ; 28 cm.
issue 1
Patents--United States
issue 1
Patents--United States
