Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890174 | Rotary voice coil micro-hard disk drive system | Brian D. Chalmers, Colin A. Mackenzie | 1989-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890174 | Rotary voice coil micro-hard disk drive system | Brian D. Chalmers, Colin A. Mackenzie | 1989-12-26 |