Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8264458 | Variable compliance joystick with compensation algorithms | Donald Spaeth, Songfeng Guo | 2012-09-11 |
| 7882909 | Personal vehicle | Jonathan L. Pearlman | 2011-02-08 |
| 7497456 | Wheelchair pushrim | Christopher J. Willems, Mark Baldwin, Michael Boninger | 2009-03-03 |
| 6892421 | Oblique angled suspension caster fork for wheelchairs | William Ammer, Mark McCartney, Corey Blauch | 2005-05-17 |
| 6276705 | Wheelchair hand rim | Mark Baldwin, Michael Boninger, Al Vangura, Jr., James F. Ster, Jr. | 2001-08-21 |