Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9210746 | Light dimming control | Vance P. Spillman, Craig H. Rosenquist | 2015-12-08 |
| 7723862 | Street light auxiliary power converter for ancillary devices | Vance P. Spillman, Craig H. Rosenquist | 2010-05-25 |