Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602041 | Vehicle flip-out ramp | Alan Cohn, Donald Morris | 2003-08-05 |
| 6409458 | Low floor vehicle ramp assembly | Alan Cohn, Curtis J. Simon | 2002-06-25 |
| 6238168 | Ramp assembly with locking mechanisms | Alan Cohn, Curtis J. Simon | 2001-05-29 |
| 6210098 | Low floor vehicle ramp assembly | Alan Cohn, Curtis J. Simon | 2001-04-03 |
| 6203265 | Ramp assembly with lifting levers | Alan Cohn, Curtis J. Simon | 2001-03-20 |
| 6186733 | Low floor vehicle ramp assembly | Alan Cohn | 2001-02-13 |
| 6010298 | Low floor vehicle ramp assembly | Alan Cohn, Curtis J. Simon | 2000-01-04 |