Granted Patent
Utility
US 4,904,739 · App. 07/202,655
Poly(fluoroacetylene) containing polymers
Inventor:
Stanley R. Sandler
Patented Case
View Patent ↗
Granted: Feb 27, 1990
Filed: May 27, 1988
Inventor
Stanley R. Sandler
Assignee (at issue)
Pennwalt Corporation
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.