Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022812 | Small all terrain mobile robot | Joel B. Coughlan, Howard W. Harvey, R. Glen Upton, John R. White, Kenneth L. Walker | 1991-06-11 |
| 4932831 | All terrain mobile robot | John R. White, Kenneth L. Walker, Joel B. Coughlan, R. Glen Upton, Howard W. Harvey | 1990-06-12 |
| 4530522 | Releasable connector for conduit components | Kenneth L. Walker | 1985-07-23 |