Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018669 | Proximity detection method for magnetic head and recording medium | Richard M. Ehrlich | 2011-09-13 |
| 8004788 | Proximity detection method for magnetic head and recording medium | Richard M. Ehrlich | 2011-08-23 |
| 7990641 | Proximity detection method for magnetic head and recording medium | — | 2011-08-02 |