Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890041 | High wattage HID lamp circuit | Paul E. Payne | 1989-12-26 |
| 4866347 | Compact fluorescent lamp circuit | Paul J. Buckley, II | 1989-09-12 |
| 4810936 | Failing lamp monitoring and deactivating circuit | Isaac L. Flory, IV | 1989-03-07 |