Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5424618 | Arrangements for reducing interference from a dimming system, and dimmer therefor | Anthony R. Brown | 1995-06-13 |
| 5237244 | Electric lighting and power controllers therefor | Richard Williamson, John O. Wright | 1993-08-17 |
| 5235499 | Lamp system having a torroidal light emitting member | — | 1993-08-10 |
| 5143447 | Lamp system having a torroidal light emitting member | — | 1992-09-01 |
| 5066896 | Electric lighting and power controllers therefor | Richard Williamson, John O. Wright | 1991-11-19 |
| 4933804 | Interference suppression for semi-conducting switching devices | John O. Wright, Edwin Philip Lockwood | 1990-06-12 |
| 4437169 | Stage lighting control system | Edwin Philip Lockwood, Anthony R. Brown | 1984-03-13 |