Granted Patent
Utility
US 4,480,898 · App. 06/581,787
Fibers with multiple coatings
Inventor:
Carl R. Taylor
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Feb 21, 1984
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.