Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349723 | Electrically heated non-toxic smoke generator | — | 1982-09-14 |
| 4326119 | Portable battery operated electric smoke generator | — | 1982-04-20 |
| 4321043 | Recoil force and weight loss simulation device | Paul D. Grimmer | 1982-03-23 |