Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6160787 | Multiple layer optical recording medium for use with two different wavelength laser beams | Christopher J. Cookson, Anthony Pietrzykoski, John L. Orehotsky, Deborah H. Carey, Howard B. Price +1 more | 2000-12-12 |
| 5729533 | Two-sided, light-readable information recording disc stacks and methods of making same | — | 1998-03-17 |
| 4182045 | Device for checking involutes and helix angles of gears | Manfred Bosch | 1980-01-08 |