Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671027 | Liquid crystal display including heating layer and two bus bars formed by a clamp having two limbs | Peter Brandt, Ernst-Ulrich Simon, Hans Kolibius, Thomas Ritter | 2003-12-30 |
| 6653567 | Indicating instrument | Thomas Ritter, Harald Ehmes | 2003-11-25 |
| 6476320 | Indicating instrument | Thomas Ritter, Harald Ehmes | 2002-11-05 |
| 6461168 | Plug socket for a display instrument | Thomas Ritter | 2002-10-08 |
| 6312773 | Front frame and method for producing it | Dieter Klubenspies, Thomas Ritter | 2001-11-06 |
| 6162090 | Printed circuit board with a coupling element of a plug-in device | Dieter Klubenspies | 2000-12-19 |
| 5791926 | Plug-in connector for an electrical system, in particular for motor-vehicle instrument clusters | — | 1998-08-11 |
| 4839636 | Control of display having both dot-matrix and segment display elements | — | 1989-06-13 |