Granted Patent
Utility
US 4,859,715 · App. 07/119,140
Microporous poly (arylether ketone) article
Inventors:
Robert S. Dubrow, Michael Froix
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Nov 10, 1987
Inventors
Robert S. Dubrow
Michael Froix
Assignee (at issue)
Raychem 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.