Granted Patent
Utility
US 5,437,900 · App. 08/161,184
Surface modified porous expanded polytetrafluoroethylene and process for making
Inventor:
Stanislaw L. Kuzowski
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: Dec 1, 1993
Inventor
Stanislaw L. Kuzowski
Assignee (at issue)
W. L. Gore & Associates, Inc.
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.