Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888890 | Laser control of excavating machine digging depth | Ted L. Teach, Michael H. Kidwell | 1989-12-26 |
| 4231700 | Method and apparatus for laser beam control of backhoe digging depth | — | 1980-11-04 |