Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887448 | Knockout pin apparatus | James W. Myers | 1989-12-19 |
| 4254925 | Theodolite center mounting means | — | 1981-03-10 |
| D257961 | Electronic surveying instrument or the like | — | 1981-01-20 |
| 4244547 | Theodolite leveling means | — | 1981-01-13 |
| 4240689 | Telescope reticle adjusting means | — | 1980-12-23 |
| 4202110 | Theodolite tangent screw system | — | 1980-05-13 |