Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4940921 | Combination ballast and cold cathode sealed lamp and method | James C. Helling, Scott V. Murray | 1990-07-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4940921 | Combination ballast and cold cathode sealed lamp and method | James C. Helling, Scott V. Murray | 1990-07-10 |