Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550355 | Removable disk cartridge with improved hub locking mechanism | Robert P. Wartenbergh | 1985-10-29 |
| 4532564 | Removable disk cartridge | Robert P. Wartenbergh, Janusz Warszawski, Markus Meier, David Sutton, Bin-Lun Ho +1 more | 1985-07-30 |
| 4262860 | Tape cartridge with increased tape capacity | Roy E. Hurtig, Steven D. Smith | 1981-04-21 |