Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6092827 | Towing pintle extender device | John G. Korpi, Kenneth A. Greene, Richard J. Line, Peter W. Pfister | 2000-07-25 |
| 5687813 | Vehicle boarding device | — | 1997-11-18 |
| 5586785 | Vehicle wire cutter | Joseph G. Warner | 1996-12-24 |