Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5406713 | Apparatus for maintaining a scientific and measuring instrument or the like in a level plane | David R. Oman | 1995-04-18 |
| 4949467 | Inclinometer including an apparatus for maintaining a scientific and measuring instrument or the like in a level plane | David R. Oman | 1990-08-21 |