Granted Patent
Utility
US 5,335,408 · App. 08/021,822
Method of making a water blocked optical fiber cable
Inventor:
Gary S. Cobb
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Feb 24, 1993
Inventor
Gary S. Cobb
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.