IP Library › Granted Patent US 4,666,247
Granted Patent Utility
US 4,666,247 · App. 06/699,669

Multiconstituent optical fiber

Inventors: John B. MacChesney, Jay R. Simpson
Patented Case View Patent ↗
Granted: May 19, 1987 Filed: Feb 8, 1985
Inventors
John B. MacChesney
Jay R. Simpson
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Bell Laboratories

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Quick Facts
Patent No.
US 4,666,247
App. No.
06/699,669
Filed
1985-02-08
Granted
1987-05-19
Kind
A