Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4779034 | Forced commutation for variable speed motor | — | 1988-10-18 |
| 4658343 | Fluorescent lamp driver | — | 1987-04-14 |
| 4600872 | Apparatus for variable speed drive of an induction motor from a fixed frequency AC source | — | 1986-07-15 |
| 4509004 | Apparatus for variable speed drive of an induction motor from a fixed frequency AC source | — | 1985-04-02 |
| 4348738 | Electronic typographical display device with justification feature | William R. Grier, Arthur L. Arledge | 1982-09-07 |
| 4242622 | Stabilized non-linear servomechanism | — | 1980-12-30 |
| 4207612 | Electronic typographical display device with justification feature | William R. Grier, Arthur L. Arledge | 1980-06-10 |