Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5872560 | Intrusion detection security keyboard | Hartmut Droege, Ludwig Fischer, Markus Scheibel | 1999-02-16 |
| 5796335 | Security foil with shielding from electromagnetic radiation | Hartmut Droege, Ludwig Fischer, Markus Scheibel | 1998-08-18 |
| D393479 | Point of sale terminal | Harmut Droege, Ludwig Fischer, Wolfgang Fischer, Walter Hinz, Tayssir Scheib | 1998-04-14 |
| D381675 | Point of sale terminal | Harmut Droege, Ludwig Fischer, Wolfgang Fischer, D. Walter Hinz, Tayssir Scheib | 1997-07-29 |
| D379825 | Point of sale terminal | Hartmut Droege, Ludwig Fischer, Wolfgang Fischer, Walter Hinz, Tayssir Scheib | 1997-06-10 |
| D372936 | Control unit with a printer | Harmut Droege, Ludwig Fischer, Wolfgang Fischer, Walter Hinz, Tayssir Scheib | 1996-08-20 |