Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884451 | Fluid pressure measuring device with pressure attenuation | — | 1989-12-05 |
| 4835643 | Disk drive head actuator coil | — | 1989-05-30 |
| 4835644 | Side loaded disk drive pivot | — | 1989-05-30 |
| 4803862 | Positioning of edge rolls | Karl-Heinz Margraf | 1989-02-14 |