Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5442261 | Energy saving lamp controller | Ralph E. Hearn | 1995-08-15 |
| 5252894 | Energy saving flourescent lamp controller | Ralph E. Hearn | 1993-10-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5442261 | Energy saving lamp controller | Ralph E. Hearn | 1995-08-15 |
| 5252894 | Energy saving flourescent lamp controller | Ralph E. Hearn | 1993-10-12 |