Issued Patents 2019
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10517149 | AC light emitting diode and AC LED drive methods and apparatus | James N. Andersen, Robert L. Kottritsch | 2019-12-24 |
| 10506674 | AC light emitting diode and AC LED drive methods and apparatus | James N. Andersen, Robert L. Kottritsch | 2019-12-10 |
| 10499465 | High frequency multi-voltage and multi-brightness LED lighting devices and systems and methods of using same | Robert L. Kottritsch, James N. Andersen | 2019-12-03 |
| 10499466 | AC light emitting diode and AC LED drive methods and apparatus | James N. Andersen, Robert L. Kottritsch | 2019-12-03 |
| 10492252 | AC light emitting diode and AC LED drive methods and apparatus | James N. Andersen, Robert L. Kottritsch | 2019-11-26 |
| 10492251 | AC light emitting diode and AC LED drive methods and apparatus | James N. Andersen | 2019-11-26 |
| 10492260 | LED lighting system | Robert L. Kottritsch | 2019-11-26 |
| 10349479 | Color temperature controlled and low THD LED lighting devices and systems and methods of driving the same | Robert L. Kottritsch | 2019-07-09 |
| 10334680 | LED lighting system | — | 2019-06-25 |
| 10271393 | Multi-voltage and multi-brightness LED lighting devices and methods of using same | Robert L. Kottritsch | 2019-04-23 |
| 10257892 | Devices and systems having AC LED circuits and methods of driving the same | — | 2019-04-09 |
| 10178715 | High frequency multi-voltage and multi-brightness LED lighting devices and systems and methods of using same | Robert L. Kottritsch, James N. Andersen | 2019-01-08 |