Cover Image

United States patents.

Bibliographic Details
Corporate Authors: United States Patent and Trademark Office, Research Publications, inc
Format: Microform Journal
Language:English
Published: [Washington] : [U.S. Patent and Trademark Off], [1989-]
Subjects:
Patents > United States.
Description
Published:Patent no. 4,794,652 (1989)-
Item Description:Title varies slightly.
Microform.
Physical Description:volumes : illustrations
Publication Frequency:Weekly