Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5740244 | Method and apparatus for improved fingerprinting and authenticating various magnetic media | Ronald S. Indeck, Marcel Müller, George L. Engel | 1998-04-14 |
| 5546462 | Method and apparatus for fingerprinting and authenticating various magnetic media | Ronald S. Indeck, Marcel Müller, George L. Engel | 1996-08-13 |
| 5428683 | Method and apparatus for fingerprinting and authenticating magnetic media | Ronald S. Indeck, Marcel Müller, George L. Engel | 1995-06-27 |