Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7009121 | Keyboard, especially for electronic payment terminals, and keypad | Klaus Schmoeger, Dieter Weber | 2006-03-07 |
| 6860660 | Keyboard, preferably for electronic payment terminals | Andrzej Malinowski, Klaus Schmoeger | 2005-03-01 |
| 6736323 | Keyboard, preferably for cashier registers | Klaus Schmoeger, Michael Martin, Manfred Schreiber | 2004-05-18 |
| 6121563 | Large key covering several small key fields for a keyboard | Klaus Schmoeger | 2000-09-19 |
| 5995877 | Control unit for switching and controlling household appliances | Ulrich Brueggemann, Wolfgang Kuechler, Klaus Schmoeger | 1999-11-30 |
| 5894121 | Reading apparatus for chip cards having reduced contact friction | Ulrich Brueggemann, Klaus Schmoeger | 1999-04-13 |
| 5874700 | Switch mat | — | 1999-02-23 |
| 5747758 | Keyboard arrangement | Andrea Grosse | 1998-05-05 |
| 5739507 | Keyboard for cash registers and other registers | — | 1998-04-14 |
| 5642950 | Keyboard with a protective foil | Werner Lorz | 1997-07-01 |
| 5532444 | Push button switch | Herbert Bonrath, Ulrich Bruggemann, Hans-Karl Heil | 1996-07-02 |
| 5494363 | Keyboard | — | 1996-02-27 |
| 5426274 | Push button switch | Ulrich Bruggemann, Hans-Karl Heil | 1995-06-20 |
| 5360954 | Push button switch | Ulrich Bruggeman, Hans-Karl Heil | 1994-11-01 |
| 5144567 | Programmable plug and cable for computer keyboards | Jurgen Oelsch, Rudolf Limpert, Dieter Weber | 1992-09-01 |
| 4902862 | Keyboard switch device for facilitating removal and replacement of push buttons | Jurgen Oelsch, Bertold Sturmer, Nicola Digiovinazzo | 1990-02-20 |
| 4773780 | Keyboard with a metal carrier plate | — | 1988-09-27 |
| 4720609 | Pushbutton switch device | Jurgen Oelsch | 1988-01-19 |
| 4531793 | Multipole edge strip connector | — | 1985-07-30 |
| 4431253 | Coaxial plug connector | Berthold Sturmer | 1984-02-14 |