Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5283159 | Optical recording medium and method for improved pit geometry and increased laser tracking | David G. Loeppky, Robert B. Dobbin, Robert C. Beauchamp, Daniel Burkett | 1994-02-01 |
| RE34506 | Product and process for manufacturing an optical disc master | Robert B. Dobbin, David G. Loeppky, Bruce E. Del Mar | 1994-01-11 |