Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307223 | Magnetic recording disk file for contact recording | Mary Frances Doerner, Dan S. Parker, Anthony W. Wu | 1994-04-26 |
| 5302434 | Magnetic recording disk for contact recording | Mary Frances Doerner, Dan S. Parker, Anthony W. Wu | 1994-04-12 |