Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365333 | Apparatus for analyzing tracking error in magnetic tapes | Peter J. Vogelgesang | 1994-11-15 |
| 5342682 | Method of molding optical recording drums | Peter J. Vogelgesang | 1994-08-30 |