Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956922 | Bubble inclination gauge including a central shield for light-emitting and light-detecting means | — | 1990-09-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956922 | Bubble inclination gauge including a central shield for light-emitting and light-detecting means | — | 1990-09-18 |