Granted Patent
Utility
US 5,130,197 · App. 07/590,320
Glass fibers for reinforcing polymers
Inventor:
Chester S. Temple
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Sep 28, 1990
Inventor
Chester S. Temple
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.