Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11427079 | Bi-directional rotary speed conversion via mirrored rotational power transfer tunnel | — | 2022-08-30 |
| 9664260 | Differential engine controlled rotational power transmission apparatus and systems using the same | — | 2017-05-30 |
| 9121480 | Differential engine controlled rotational power transmission apparatus and systems using the same | — | 2015-09-01 |
| 6863141 | Electric wheelchair drive system | — | 2005-03-08 |
| 6726588 | Differential electric engine with variable torque conversion | — | 2004-04-27 |
| 6494278 | Electric wheelchair drive system | — | 2002-12-17 |
| 6461266 | Differential electric engine with variable torque conversion | — | 2002-10-08 |