Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4447865 | Reflector lamp | David D. VanHorn, Alfred Henderson | 1984-05-08 | $5,025,000 |
| 4420801 | Reflector lamp | Gilbert H. Reiling, David D. Van Horn | 1983-12-13 | $9,651,000 |
| 4182970 | Filament shields for par lamps | — | 1980-01-08 | $2,704,000 |