Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10538896 | Hoist drum for power shovel | Gurbachan S. Bumraw | 2020-01-21 |
| 9670644 | Drop line tensioning assembly | — | 2017-06-06 |
| D756061 | Anchor hoist drum | Gurbachan S. Bumraw | 2016-05-10 |