Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806294 | Method of making a foam injection molded article | Robert M. Lapierre | 1989-02-21 |
| 4800126 | Electrically conductive polyethylene foam | — | 1989-01-24 |
| 4769397 | Chemical blowing agent compositions | Robert M. Lapierre | 1988-09-06 |
| 4719039 | Electrically conductive polyethylene foam | — | 1988-01-12 |