IP Library › Granted Patent US 4,691,989
Granted Patent Utility
US 4,691,989 · App. 06/880,959

Optical fiber cable

Inventor: Lee L. Blyler, Jr.
Patented Case View Patent ↗
Granted: Sep 8, 1987 Filed: Jun 27, 1986
Inventor
Lee L. Blyler, Jr.
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Bell Laboratories

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Quick Facts
Patent No.
US 4,691,989
App. No.
06/880,959
Filed
1986-06-27
Granted
1987-09-08
Kind
A