Granted Patent
Utility
US 4,482,204 · App. 06/123,954
Ultraviolet absorbers in optical fiber coatings
Inventors:
Lee L. Blyler, Jr., Frank Vincent DiMarcello
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Feb 25, 1980
Inventors
Lee L. Blyler, Jr.
Frank Vincent DiMarcello
Assignee (at issue)
AT&T Bell Laboratories
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.