Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7673798 | Card reader with symmetrical contact spring | Karl-Rudolf Hopt | 2010-03-09 |
| 6830191 | Card reader with transport rollers mounted on pivot arms | Hans Rapp, Michael Storz | 2004-12-14 |
| 6752314 | Card reader including/having a particular card stop | Karl-Rudolf Hopt, Mike Franzmann, Michael Storz | 2004-06-22 |
| 6604678 | Card reader with feed rollers mounted on pivot arms | Karl-Rudolf Hopt, Michael Storz | 2003-08-12 |