Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172034 | Wide range dimmable fluorescent lamp ballast system | — | 1992-12-15 |
| 4518825 | Telephone interconnect detection system | Richard Brinkerhoff | 1985-05-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172034 | Wide range dimmable fluorescent lamp ballast system | — | 1992-12-15 |
| 4518825 | Telephone interconnect detection system | Richard Brinkerhoff | 1985-05-21 |