Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388525 | Light | Marvin Seligman, Apiruk Pronputhsri, Chi Yu, Brian Keith ELLIS | 1997-12-30 |
| 5188443 | Shadow control system | Apiruk Pronputhsri | 1993-02-23 |
| 5138530 | Shadow control system | Apiruk Pronputhsri | 1992-08-11 |
| 5072350 | Shadow control system | Apiruk Pronputhsri | 1991-12-10 |
| 4782428 | Collapsible fluorescent light for photography | Edward Calamai, Stephen Timothy Doll, Dale Marks, Apiruk Pronputhsri, Marvin Seligman | 1988-11-01 |
| 4777566 | Camera light and accessories therefor | Edward Calamai, Richard Regan, Marvin Seligman | 1988-10-11 |
| 4616384 | Flag frame and clamp | Marvin Seligman, Edward Calamai | 1986-10-14 |
| 4544120 | Flag frame and clamp | Marvin Seligman, Edward Calamai | 1985-10-01 |
| 4187531 | Lighting arrangement for photographic work including combined spot and flood light luminaire | Marvin Seligman | 1980-02-05 |