Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388525 | Light | Ross Lowell, Marvin Seligman, Chi Yu, Brian Keith ELLIS | 1997-12-30 |
| 5188443 | Shadow control system | Ross Lowell | 1993-02-23 |
| 5147131 | Shadow panel assembly | Ross Lowel | 1992-09-15 |
| 5138530 | Shadow control system | Ross Lowell | 1992-08-11 |
| 5072350 | Shadow control system | Ross Lowell | 1991-12-10 |
| 4782428 | Collapsible fluorescent light for photography | Ross Lowell, Edward Calamai, Stephen Timothy Doll, Dale Marks, Marvin Seligman | 1988-11-01 |