Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8032963 | Fold out ramp | David Johnson | 2011-10-11 |
| 7913341 | Counterbalance mechanism for fold out ramp | Alan Cohn | 2011-03-29 |
| 7913342 | Counterbalance mechanism for fold out ramp | Alan Cohn | 2011-03-29 |
| 7896134 | Low-rise vertical platform lift assembly with low-profile lifting mechanism | Alan Cohn, Roger Young | 2011-03-01 |
| 7870631 | Fold out ramp | David Johnson | 2011-01-18 |