Granted Patent
Utility
US 5,904,978 · App. 08/573,339
Electrically conductive polytetrafluoroethylene article
Inventors:
James R. Hanrahan, Michael P. Kienzle, Mark S. Spencer
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Dec 15, 1995
Inventors
James R. Hanrahan
Michael P. Kienzle
Mark S. Spencer
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.