Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663255 | Amorphous tetrafluoroethylene-hexafluoropropylene copolymers | Robert Clayton Wheland | 1997-09-02 |
| 5637663 | Amorphous tetrafluoroethylene-hexafluoropropylene copolymers | Viacheslav A. Petrov, Bruce E. Smart, Charles W. Stewart, Robert Clayton Wheland, William B. Farnham +2 more | 1997-06-10 |