Granted Patent
Utility
US 4,474,830 · App. 06/454,159
Multiple coating of fibers
Inventor:
Carl R. Taylor
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: Dec 29, 1982
Inventor
Carl R. Taylor
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.