Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698313 | Dual motor gear drive unit | Thomas E. Gaffney | 2004-03-02 |
| 6659208 | Powered golf caddy vehicle | John Daily, Ronald G Koehn, Alan Zaremba | 2003-12-09 |
| 6017289 | Planetary gear assembly with floating ring gear | — | 2000-01-25 |
| 5853346 | Planetary gear assembly with floating ring gear | — | 1998-12-29 |
| 5645290 | Stackable stroller | Thomas R. Wargin | 1997-07-08 |
| 5400835 | Method and associated tools for joining wires under tension | Frederick W. Badenoch, Thomas E. Gaffney | 1995-03-28 |
| 5333702 | Three wheel scooter with quick release rear motor and wheel assembly | Jhy-hong Lin | 1994-08-02 |
| 4909569 | Lift chair | — | 1990-03-20 |
| 4892166 | Motorized wheelchair assembly having coupling device | — | 1990-01-09 |
| 4846011 | Clutch assembly | — | 1989-07-11 |
| 4338691 | Bathtub aid for handicapped | — | 1982-07-13 |
| RE30867 | Travel chair | — | 1982-02-16 |