Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819111 | Thin film head with reduced cross section in the core for causing magnetic saturation in the leading leg's throat area | Beat G. Keel, Tuan P. Tran, Gene Patrick Bonnie | 1989-04-04 |
| 4800454 | Static charge protection for magnetic thin film data transducers | Beat G. Keel | 1989-01-24 |