Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6161295 | Brake mechanism for computerized grade rod | Bruce J. Richardson | 2000-12-19 |
| 5551159 | Scalable measuring apparatus and displacement display device, system and method | — | 1996-09-03 |
| 5457890 | Scalable measuring apparatus and displacement display device, system and method | — | 1995-10-17 |