Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6186252 | Foldable midwheel drive power chair | Walter E. Schaffner, James P. Mulhern, Gerald White | 2001-02-13 |
| 6176335 | Power wheelchair | Walter E. Schaffner, James P. Mulhern | 2001-01-23 |
| 6129165 | Curb-climbing power wheelchair | Walter E. Schaffner, James P. Mulhern, Gerald White | 2000-10-10 |
| 6000758 | Reclining lift chair | Walter E. Schaffner, Carl A. Kollar, James P. Mulhern, Ronald Levi | 1999-12-14 |
| 5944131 | Mid-wheel drive power wheelchair | Walter E. Schaffner, James P. Mulhern | 1999-08-31 |