Granted Patent
Utility
US 4,328,151 · App. 06/250,827
Coated carbon fiber reinforced poly(vinylidene fluoride)
Inventor:
Donald N. Robinson
Patented Case
View Patent ↗
Granted: May 4, 1982
Filed: Apr 3, 1981
Inventor
Donald N. Robinson
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.