Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7178947 | Lighting device with elliptical fresnel mirror | — | 2007-02-20 |
| 6554459 | Support bracket for light stand | Chi Yu | 2003-04-29 |
| 4852840 | Clamp for mounting a device to a tubular | — | 1989-08-01 |
| 4782428 | Collapsible fluorescent light for photography | Ross Lowell, Edward Calamai, Stephen Timothy Doll, Apiruk Pronputhsri, Marvin Seligman | 1988-11-01 |
| 4289366 | Bisexual electrical connector | — | 1981-09-15 |