Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7952301 | Auto-dimming apparatus for controlling power delivered to a load | — | 2011-05-31 |
| 7274574 | Magnetically controlled transformer apparatus for controlling power delivered to a load with current transformer feedback | — | 2007-09-25 |
| 5880946 | Magnetically controlled transformer apparatus for controlling power delivered to a load | — | 1999-03-09 |
| 5347257 | Varying inductances | — | 1994-09-13 |
| 5345150 | Regulating light intensity by means of magnetic core with multiple windings | — | 1994-09-06 |
| 5239239 | Surrounding a portion of a lamp with light regulation apparatus | John Rieman | 1993-08-24 |
| 5140228 | Apparatus for regulating the intensity of light emitted by a lamp | — | 1992-08-18 |