Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843495 | Cyclical servo zone tracking method and apparatus for helical scan recording devices | Steven P. Georgis, Kelly J. Beavers | 1989-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843495 | Cyclical servo zone tracking method and apparatus for helical scan recording devices | Steven P. Georgis, Kelly J. Beavers | 1989-06-27 |