Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020234 | Counterbalance mechanism for fold out ramp | David Johnson | 2011-09-20 |
| 7913341 | Counterbalance mechanism for fold out ramp | Donald Morris | 2011-03-29 |
| 7913342 | Counterbalance mechanism for fold out ramp | Donald Morris | 2011-03-29 |
| 7913343 | Counterbalance mechanism for fold out ramp | — | 2011-03-29 |
| 7896134 | Low-rise vertical platform lift assembly with low-profile lifting mechanism | Donald Morris, Roger Young | 2011-03-01 |