Granted Patent
Utility
US 4,460,086 · App. 06/080,886
Tubular glass fiber package and method
Inventor:
Richard A. Davis
Patented Case
View Patent ↗
Granted: Jul 17, 1984
Filed: Oct 1, 1979
Inventor
Richard A. Davis
Assignee (at issue)
PPG Industries, Inc.
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.