Granted Patent
Utility
US 5,160,773 · App. 07/746,681
Encapsulated felt
Inventor:
Robert L. Sassa
Patented Case
View Patent ↗
Granted: Nov 3, 1992
Filed: Aug 16, 1991
Inventor
Robert L. Sassa
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.