Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9702250 | Power shovel hoist machinery with auxiliary weight box | Frank R. Szpek, Jr., Carl D. Gilmore | 2017-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9702250 | Power shovel hoist machinery with auxiliary weight box | Frank R. Szpek, Jr., Carl D. Gilmore | 2017-07-11 |