Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4223360 | Magnetic recording transducers | David Sansom | 1980-09-16 |
| 4217168 | Magnetic core formed from laminations | Peter C. Ridgway | 1980-08-12 |
| 4199382 | Magnetic material | Peter C. Ridgway | 1980-04-22 |
| 4188247 | Manufacture of magnetic transducing heads | Peter C. Ridgway | 1980-02-12 |