Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4547704 | Higher efficiency incandescent lighting units | Walter K. Brinn, John M. Davenport, Milan R. Vukcevich, Elmer G. Fridrich | 1985-10-15 |
| 4524302 | General service incandescent lamp with improved efficiency | — | 1985-06-18 |
| 4296352 | Incandescent lamp | Lewis V. McCarty | 1981-10-20 |
| 4208609 | Squirm resistant filament | — | 1980-06-17 |