Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6300721 | Photocontrol arrangement with mechanically held contacts for controlling an outdoor lighting system | John Mills | 2001-10-09 |
| 5557207 | Street light testing kit | — | 1996-09-17 |
| 5469347 | Retro-fit illuminated sign module and method | Jeffrey S. Gieger | 1995-11-21 |
| 4587417 | Field-adjustable power control arrangement and methods of controlling power and of adjusting the timing thereof | Harold Waage, Luther P. Quick | 1986-05-06 |
| 4473779 | Power factor measuring cut-off arrangement for and method of protecting a ballast-starter circuit from high pressure sodium lamp cycling malfunction | Larry A. Lindner, Gilman Hallenbeck | 1984-09-25 |
| 4207500 | Cut-off arrangement for and method of protecting a ballast-starter circuit from high pressure sodium lamp cycling malfunction | Daniel DiCarlo | 1980-06-10 |