Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10272004 | Wheelchair | Christopher Art, Matthew Tolan, Christopher Grymko | 2019-04-30 |
| 9468571 | Wheelchair | Christopher Art, Matthew Tolan, Christopher Grymko | 2016-10-18 |
| 8616309 | Wheelchair | Christopher Art, Matthew Tolan, Christopher Grymko | 2013-12-31 |
| D635492 | Combined shroud and battery compartment for a wheelchair | Christopher Art, Christopher Grymko, Matthew Tolan | 2011-04-05 |
| D635493 | Combined shroud and battery compartment for a wheelchair | Christopher Art, Christopher Grymko, Matthew Tolan | 2011-04-05 |
| 7234554 | Rear wheel drive power wheelchair | James P. Mulhern, Charles J. Martis, Kip D. Alder | 2007-06-26 |
| 7219924 | Rear wheel drive power wheelchair with ground-contacting anti-tip wheels | James P. Mulhern, Charles J. Martis, Kip D. Alder | 2007-05-22 |
| 7207403 | Transportable power wheelchair | Christopher Grymko, Paul Taylor | 2007-04-24 |
| 6938923 | Power wheelchair | James P. Mulhern, Mark E. Smith, Charles J. Martis | 2005-09-06 |
| 6913318 | Adjustable seat support for a wheelchair | Melvin Scott Higley, Walter Watkins, Michael Rozaieski, Thomas M. Hale | 2005-07-05 |
| 6776430 | Stabilizing system for a reclinable wheelchair | James P. Mulhern, Ronald Levi | 2004-08-17 |
| 6543798 | Anti-tip caster suspension for a wheelchair | Walter E. Schaffner, Walter Watkins | 2003-04-08 |
| 6186252 | Foldable midwheel drive power chair | Walter E. Schaffner, James P. Mulhern, Stephen J. Antonishak | 2001-02-13 |
| 6129165 | Curb-climbing power wheelchair | Walter E. Schaffner, James P. Mulhern, Stephen J. Antonishak | 2000-10-10 |