Granted Patent
Utility
US 5,374,473 · App. 07/932,441
Dense polytetrafluoroethylene articles
Inventors:
John B. Knox, William E. Delaney, John M. Connelly
Patented Case
View Patent ↗
Granted: Dec 20, 1994
Filed: Aug 19, 1992
Inventors
John B. Knox
William E. Delaney
John M. Connelly
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.