Granted Patent
Utility
US 4,701,291 · App. 06/890,188
Process of isostatic molding and bonding fluoropolymers
Inventor:
Jack L. Wissman
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Jul 25, 1986
Inventor
Jack L. Wissman
Assignee (at issue)
The Duriron Company, 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.