Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9285081 | LED high bay lighting source | David Douglas | 2016-03-15 |
| 9022608 | Unlit LED circuit bypass element with system and method therefor | Ted Huff | 2015-05-05 |
| 8890419 | System and method providing LED emulation of incandescent bulb brightness and color response to varying power input and dimmer circuit therefor | — | 2014-11-18 |
| 8354800 | Lighting source with low total harmonic distortion | — | 2013-01-15 |
| 8008865 | Multiple failure detection shutdown protection circuit for an electronic ballast | — | 2011-08-30 |
| 7862195 | Multiple positioned light source to achieve uniform or graded illumination | David Douglas, Samuel Lee | 2011-01-04 |
| 7598677 | Multiple failure detection shutdown protection circuit for an electronic ballast | — | 2009-10-06 |
| 7405522 | Multiple failure detection shutdown protection circuit for an electronic ballast | — | 2008-07-29 |
| 5307057 | Fiber optic display system utilizing a dual light source | Kenneth J. Cook, Jeffry B. Stout, Donald J. Davis, Anwar Bawadekji | 1994-04-26 |
| 4894588 | High efficiency flasher | — | 1990-01-16 |
| 4471280 | Anti-log power amplifier for reversible D.C. motor in automotive steering controls | — | 1984-09-11 |