Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801263 | Ladder with top for holding an impact driver and method | Joseph C. Dangrow, Troy Johnson, Christopher Ruppen | 2020-10-13 |
| D887581 | Ladder top | Joseph C. Dangrow, Troy Johnson, Christopher Ruppen | 2020-06-16 |