Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE44366 | Lift drive device | Peter Shaw | 2013-07-16 |
| 8128068 | Personal lift device | Mak Chepurny, Michael F. Wilson | 2012-03-06 |
| 7634825 | Personal lift device | Mark P. Chepurny, Michael F. Wilson | 2009-12-22 |
| 7328774 | Lift drive device | Peter Shaw | 2008-02-12 |
| 7240621 | Personal lift device | Mark P. Chepurny, Michael F. Wilson | 2007-07-10 |
| 7225899 | Stair lift device | Peter Shaw | 2007-06-05 |