Granted Patent
Utility
US 5,883,021 · App. 08/984,479
Glass monofilament and strand mats, vacuum-molded thermoset composites reinforced with the same and methods for making the same
Inventors:
Kenneth D. Beer, Jian Meng, Thomas P. Unites
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Dec 1, 1997
Inventors
Kenneth D. Beer
Jian Meng
Thomas P. Unites
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.