Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337601 | High-strength light-weight boom section for telescopic crane boom | Lembit Vaerk | 1982-07-06 |
| 4337868 | Telescopic crane boom having rotatable extend/retract screws | — | 1982-07-06 |