Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288166 | Laser operated automatic grade control system for concrete finishing | J. Dewayne Allen, Ralph C. Luebke | 1994-02-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288166 | Laser operated automatic grade control system for concrete finishing | J. Dewayne Allen, Ralph C. Luebke | 1994-02-22 |