Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6133656 | Brushless commutated torque motor for use with a rotary low frequency sound reproducing apparatus | — | 2000-10-17 |
| 5825901 | Rotary low-frequency sound reproducing apparatus and method | — | 1998-10-20 |
| 5355045 | Torque reaction transfer in dynamoelectric machines having energy-efficient stator constructions | — | 1994-10-11 |
| 5235231 | Dynamoelectric machines having energy-efficient stator constructions and method | — | 1993-08-10 |
| 5208503 | Energy-efficient ferromagnetic stator and core apparatus | — | 1993-05-04 |
| 5191618 | Rotary low-frequency sound reproducing apparatus and method | — | 1993-03-02 |