Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5568215 | Film cartridge holder and adapter unit | John M. Haugen, Sr., John M. Haugen, Jr., Charles T. Higgins | 1996-10-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5568215 | Film cartridge holder and adapter unit | John M. Haugen, Sr., John M. Haugen, Jr., Charles T. Higgins | 1996-10-22 |