Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887887 | Lens retainer for optical element | — | 1989-12-19 |
| 4809942 | Quick release night vision goggle mounting bracket | William A. Kastendieck, Wayne E. Isbell | 1989-03-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887887 | Lens retainer for optical element | — | 1989-12-19 |
| 4809942 | Quick release night vision goggle mounting bracket | William A. Kastendieck, Wayne E. Isbell | 1989-03-07 |