Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4494176 | Lamps having multiple and aimed parabolic sections for increased useful light output | Robert W. Sands, Thomas F. Fink, Jr. | 1985-01-15 |
| 4425606 | Sealed beam lamp unit | Bruce E. Shanks | 1984-01-10 |