Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4567666 | Tilt sensor null adjusting apparatus | Harold L. Swartz | 1986-02-04 |
| 4521974 | Temperature stable arcuate bubble gravity sensor mount | Harold L. Swartz | 1985-06-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4567666 | Tilt sensor null adjusting apparatus | Harold L. Swartz | 1986-02-04 |
| 4521974 | Temperature stable arcuate bubble gravity sensor mount | Harold L. Swartz | 1985-06-11 |