Granted Patent
Utility
US 5,338,827 · App. 07/816,304
Polyimide resins useful at high temperatures
Inventors:
Tito T. Serafini, Paul G. Cheng, Kenneth K. Ueda, Ward F. Wright
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Dec 27, 1991
Inventors
Tito T. Serafini
Paul G. Cheng
Kenneth K. Ueda
Ward F. Wright
Assignee (at issue)
TRW Limited
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.