Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440923 | Drivable slope-sensitive unit for measuring curvature and crossfall of ground surfaces | Roland stergren | 1995-08-15 |
| 4781058 | Method and apparatus for measuring load bearing capacity of traffic-carrying surfaces | — | 1988-11-01 |
| 4685806 | Laser plane apparatus for measuring characteristics of traffic-bearing surfaces | — | 1987-08-11 |
| 4658639 | Method and apparatus for measuring load bearing capacity of traffic-carrying surfaces | — | 1987-04-21 |