Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5886789 | Optical surface testing means for linearly moving, tape-like materials | Bernd Scholtysik | 1999-03-23 |
| 5256497 | Magnetic tape containing abrasives | Hans-Heinrich Credner | 1993-10-26 |