Granted Patent
Utility
US 5,739,243 · App. 08/758,612
Polymerizable composition
Inventors:
Robert D. Herold, Charles R. Wiedrich
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Nov 27, 1996
Inventors
Robert D. Herold
Charles R. Wiedrich
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.