Granted Patent
Utility
US 5,646,192 · App. 08/323,461
Polytetrafluoroethylene molding powder
Inventors:
John W. Dolan, Charles E. Singleton
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Oct 12, 1994
Inventors
John W. Dolan
Charles E. Singleton
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.