Granted Patent
Utility
US 5,718,862 · App. 08/639,071
Secondary shaping of ionically crosslinked polymer compositions for medical devices
Inventor:
Samuel A. Thompson
Patented Case
View Patent ↗
Granted: Feb 17, 1998
Filed: Apr 24, 1996
Inventor
Samuel A. Thompson
Assignee (at issue)
HERCULES LLC
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.