Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5145075 | Boom point construction | Kenneth V. Johnson, James P. Piper | 1992-09-08 |
| 5022542 | Crane leg connection | — | 1991-06-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5145075 | Boom point construction | Kenneth V. Johnson, James P. Piper | 1992-09-08 |
| 5022542 | Crane leg connection | — | 1991-06-11 |