Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411070 | Tree-trimming apparatus | George A. Boyum, Ralph E. Lovelace | 1983-10-25 |
| 4242947 | Hydraulic actuator | Ralph E. Lovelace | 1981-01-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411070 | Tree-trimming apparatus | George A. Boyum, Ralph E. Lovelace | 1983-10-25 |
| 4242947 | Hydraulic actuator | Ralph E. Lovelace | 1981-01-06 |