Granted Patent
Utility
US 4,385,093 · App. 06/204,509
Multi-component, highly porous, high strength PTFE article and method for manufacturing same
Inventor:
Daniel E. Hubis
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Nov 6, 1980
Inventor
Daniel E. Hubis
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.