Issued Patents 1989
Showing 1–1 of 1 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, Gene Patrick Bonnie, Edward L. Schwarz | 1989-04-04 |