Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6940681 | Optical to magnetic alignment in magnetic tape system | Leo Guglielmo, Tzuochang Lee, Robert Alan Johnson, James Fitzpatrick | 2005-09-06 |
| 6856484 | Magnetic servo of a recording head | Robert Alan Johnson | 2005-02-15 |