Granted Patent
Utility
US 4,194,040 · App. 05/499,583
Article of fibrillated polytetrafluoroethylene containing high volumes of particulate material and methods of making and using same
Inventors:
Ernest J. Breton, Jack D. Wolf, Dexter Worden
Patented Case
View Patent ↗
Granted: Mar 18, 1980
Filed: Aug 22, 1974
Inventors
Ernest J. Breton
Jack D. Wolf
Dexter Worden
Assignees (at issue)
Joseph A. Teti, Jr.
William C. Teti
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.