Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809188 | Strip feeding and control system | Samuel P. Willits, William L. Mohan | 1989-02-28 |
| 4804325 | Weapon training simulator system | Samuel P. Willits, Steven F. Willits | 1989-02-14 |