Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4626944 | Positioning device for scanning means in a disk drive unit | Joachim Hack, Klaus Birkenmeier | 1986-12-02 |
| 4623942 | Method and arrangement for detecting error signals in a disk-drive, and a magnetic test disk therefor | Gerold Kraus, Walter Huber, Joachim Hack, Roland Sold | 1986-11-18 |
| 4578726 | Head arm mounting device for one or more scanning heads in recording playback apparatus for disk records | Udo Boehm, Ernst-Juergen Grittmann | 1986-03-25 |
| 4441130 | Carriage for a scanning head in recording and/or playback apparatus for disk records | Udo Boehm, Roland Brotzler | 1984-04-03 |
| 4430172 | Method of increasing corrosion resistance in galvanically deposited palladium/nickel coatings | Robert Brugger | 1984-02-07 |
| 4430678 | Drive apparatus for recording disks in which the disk is clamped between a driven recessed member and a rotatably mounted clamping member | Joachim Hack, Roland Brotzler, Rudolf Angermann | 1984-02-07 |
| 4416741 | Method and bath for the electrodeposition of palladium/nickel alloys | — | 1983-11-22 |
| 4416740 | Method and bath for the electrodeposition of palladium/nickel alloys | — | 1983-11-22 |
| 4320429 | Pressure device for flexible recording media in cartridges using a universal joint mounting | Werner Knerich, Udo Boehm, Roland Brotzler | 1982-03-16 |
| 4310865 | Cable positioner for a scanning head | Lambert Kohl, Udo Boehm | 1982-01-12 |
| 4297736 | Device for adjusting and fixing detecting means relative to the index mark on a recording disc | Klaus Manzke, Roland Brotzler | 1981-10-27 |