Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4642721 | Magnetic tape cartridge with increased data packing density | Harold H. Georgens | 1987-02-10 |
| 4635155 | Magnetic tape cartridge with increased data track packing density | Harold H. Georgens | 1987-01-06 |
| 4429790 | Latch and handle assembly for magnetic recording disc cartridge | Frank S. Ebey | 1984-02-07 |
| 4356918 | Disc storage container | Henry Kahle, Jeffrey R. Menkes | 1982-11-02 |
| 4235339 | Latch and carrying handle assembly for magnetic recording disc cartridge | Leonard C. Badour, Frank S. Ebey | 1980-11-25 |