Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890731 | Personal sports equipment carrier | — | 1990-01-02 |
| 4737876 | Write protect device for a record disk assembly | George W. Brock, Robert Janning, Robert S. Rogers | 1988-04-12 |
| 4648002 | Wiping system for magnetic recording disks | Victor B. van Blerk | 1987-03-03 |
| 4626949 | Magnetic record disk cleaning and stabilizing assembly | George W. Brock, Robert Janning, Robert S. Rogers | 1986-12-02 |
| 4562505 | Flexible magnetic memory disk with metallic hub and method of manufacturing same | — | 1985-12-31 |
| 4457473 | Tape cartridge housing | Richard J. Wesendunk | 1984-07-03 |