Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11910956 | Grill grate | — | 2024-02-27 |
| 6494115 | Left foot accelerator pedal | Wayne Alfred Haugen | 2002-12-17 |
| 6357992 | Collapsible, powered platform for lifting wheelchair | James B. Welte | 2002-03-19 |
| 6053693 | Collapsible, powered platform for lifting wheelchair | James B. Welte | 2000-04-25 |
| 5672041 | Collapsible, powered platform for lifting wheelchair | Jeffrey J. Stoen, James B. Welte, Gary G. Gruber, Timothy W. Jenum | 1997-09-30 |
| 5401135 | Foldable platform wheelchair lift with safety barrier | Jeffrey J. Stoen | 1995-03-28 |