Granted Patent
Utility
US 4,318,939 · App. 06/180,202
Stabilized catalyzed organopolysiloxanes
Inventor:
Ching-Ping Wong
Patented Case
View Patent ↗
Granted: Mar 9, 1982
Filed: Aug 21, 1980
Inventor
Ching-Ping Wong
Assignee (at issue)
Western Electric Company, 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.