Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4724043 | Process for forming a master mold for optical storage disks | Albert S. Bergendahl, Paul E. Cade, Norman T. Gonnella, Kurt E. Petersen | 1988-02-09 |
| 4633456 | Two axis electromagnetic actuator | — | 1986-12-30 |
| 4595261 | Phase retardation element and prism for use in an optical data storage system | Holger J. Baasch, Douglas S. Goodman, Ronald L. Soderstrom, Eberhard A. Spiller | 1986-06-17 |
| 4276574 | Read/write and tunnel erase magnetic head assembly | Holger J. Baasch | 1981-06-30 |