Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321570 | Systems using superimposed, orthogonal buried servo signals | Frank C. Bumb, Jr. | 1994-06-14 |
| 5293281 | Method of reading and writing data transitions on side-by-side tracks on magnetic media | Frank C. Bumb, Jr. | 1994-03-08 |
| 5223994 | System using superimposed, orthogonal buried servo signals | Frank C. Bumb, Jr. | 1993-06-29 |
| 5132861 | Systems using superimposed, orthogonal buried servo signals | Frank C. Bumb, Jr. | 1992-07-21 |
| 5119248 | Method of recording servo signals | John F. Bizjak, Leonard R. Shenfield, Scott Miller, Philip C. Kenny, William E. Benson | 1992-06-02 |
| 5055951 | Method and apparatus for servo-positioning movable transducer heads | — | 1991-10-08 |
| 5003412 | Method and apparatus for positioning a read/write mechanism | John F. Bizjak, Leonard R. Shenfield, Scott Miller, Philip C. Kenny, William E. Benson | 1991-03-26 |