Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522835 | Photographic film package with detachable cartridge | Ivan W. K. Shum, Roland Walter Kohl | 2003-02-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522835 | Photographic film package with detachable cartridge | Ivan W. K. Shum, Roland Walter Kohl | 2003-02-18 |