Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4282558 | Multilamp photoflash unit with circuit crossover | John W. Shaffer, William T. Colville | 1981-08-04 |
| 4281363 | Multilamp photoflash unit with reflective-protective circuit board element | Donald W. Hartman, Donald E. Armstrong | 1981-07-28 |
| 4249230 | Photoflash unit utilizing circuit board having flashlamps clamped thereto | William T. Colville, Donald W. Hartman | 1981-02-03 |