Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6674256 | Battery powered, joystick controlled folding wheelchair | Henry Jones, Fred E. Ingle | 2004-01-06 |
| 6331013 | Lightweight motorized wheelchair | Fred E. Ingle | 2001-12-18 |
| 6329771 | Lightweight motorized wheelchair | Fred E. Ingle | 2001-12-11 |
| 6183002 | Lightweight motorized wheelchair | Fred E. Ingle | 2001-02-06 |
| 5313188 | Battery-powered flashing superluminescent light emitting diode safety warning light | Robert Choi, C. Kwai Kong | 1994-05-17 |
| 5313187 | Battery-powered flashing superluminescent light emitting diode safety warning light | Robert Choi, C. Kwai Kong | 1994-05-17 |
| D340777 | Personal safety light | Robert Choi, Kwai Kong, Thomas K. Geraty, Philip G. Hope | 1993-10-26 |
| D335195 | Bicycle helmet | Robert Choi, C. Kwai Kong | 1993-04-27 |
| D333041 | Bicycle seat with rear safety flasher light and reflector | Robert Choi, C. Kwai Kong | 1993-02-09 |
| 4829492 | Depthfinder with color LCD display | Robert Choi, Jude Buckwalter | 1989-05-09 |