Granted Patent
Utility
US 5,000,541 · App. 07/413,514
Hermetically sealed optical fibers
Inventors:
Frank Vincent DiMarcello, Richard G. Huff, Paul J. Lemaire, Kenneth L. Walker
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Sep 27, 1989
Inventors
Frank Vincent DiMarcello
Richard G. Huff
Paul J. Lemaire
Kenneth L. Walker
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.