Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354742 | Optical system having a dual field of view | Marcus Hatch | 1982-10-19 |
| 4319809 | Symmetrical 1:1 photographic objective lens | — | 1982-03-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354742 | Optical system having a dual field of view | Marcus Hatch | 1982-10-19 |
| 4319809 | Symmetrical 1:1 photographic objective lens | — | 1982-03-16 |