Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4754222 | Method for detecting and evaluating dropouts in recording media having digital signals recorded thereon | Peter Felleisen, Peter Grosshans | 1988-06-28 |
| 4656420 | Method and circuit arrangements for detecting and evaluating faults in recording media having digital signals recorded on one or more tracks | Peter Felleisen, Peter Grosshans | 1987-04-07 |
| 4557947 | Process for polishing the surfaces of magnetic storage disks | Karl Deimling, Roland Falk, Peter Nagel, Rudolf Sand | 1985-12-10 |