Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855163 | Method of making polyvinylidene difluoride structure | Irving B. Joffee, Peter J. Degen | 1989-08-08 |
| 4774132 | Polyvinylidene difluoride structure | Irving B. Joffee, Peter J. Degen | 1988-09-27 |