Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156226 | Modular power drive wheelchair | Ronald G. Boyer, Bert J. Goletski | 1992-10-20 |
| D316063 | Power drive wheelchair | — | 1991-04-09 |
| 4969232 | Adjustable caster wheel assembly | — | 1990-11-13 |
| 4967864 | Modular power drive wheelchair | Ronald G. Boyer, Bart J. Goletski | 1990-11-06 |
| D298709 | Seat module | Eric P. Rose | 1988-11-29 |
| D294476 | Modular wheelchair base | Stephen Kaminski | 1988-03-01 |
| 4474327 | Fertilizer spreader | Charles A. Mattson, Anthony Domagalski | 1984-10-02 |
| 4463544 | Edger | Anthony J. Carsello | 1984-08-07 |
| 4387852 | Fertilizer spreader | Charles A. Mattson, Anthony Domagalski | 1983-06-14 |
| 4346526 | Snow thrower | Charles A. Mattson | 1982-08-31 |