Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410583 | Marine vessels and methods of using same | John Crowson, Mel Friedman, Douglas W. Thompson | 2025-09-09 |
| 12398532 | Marine vessels and methods of using same | John Crowson, Mel Friedman, Douglas W. Thompson | 2025-08-26 |
| 12077935 | Material handling systems and methods | John Crowson, Mel Friedman, Douglas W. Thompson | 2024-09-03 |
| 11828042 | Material handling systems and methods | John Crowson, Mel Friedman, Douglas W. Thompson | 2023-11-28 |
| 5033913 | Mine roof support | Brian J. Woodford, James B. Longford | 1991-07-23 |