Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888890 | Laser control of excavating machine digging depth | Ted L. Teach, Michael H. Kidwell | 1989-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888890 | Laser control of excavating machine digging depth | Ted L. Teach, Michael H. Kidwell | 1989-12-26 |