Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4296448 | Recording cartridge having a flat smoothing plane with a raised portion | Felix Garcia, Jr., Roger A. Hergert, Sheldon H. Brown | 1981-10-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4296448 | Recording cartridge having a flat smoothing plane with a raised portion | Felix Garcia, Jr., Roger A. Hergert, Sheldon H. Brown | 1981-10-20 |