| 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 |