Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D858238 | Sanding and polishing machine | — | 2019-09-03 |
| D846962 | Sanding and polishing machine | — | 2019-04-30 |
| 6357522 | Multi-channel flat tube | Bernd Dienhart, Hans-Joachim Krauss, Hagen Mittelstrass, Karl-Heinz Staffa, Christoph Walter | 2002-03-19 |
| 6206836 | Battery-operated device, in particular a blood pressure measuring device | Alfred Kern | 2001-03-27 |
| D437414 | Blood pressure measuring device | Alfred Kern | 2001-02-06 |
| 5669440 | Heat exchanger having a welded pipe which has a reduced wall thickness at location of the weld seam | Dieter Bauer, Ralf Bochert, Herbert Damsohn, Werner Helms, Roland Hemminger +3 more | 1997-09-23 |
| D362547 | Carrying case | Hermann Dell, Volker Herrmann, Fred Kern, Dietmar Muller | 1995-09-26 |
| 4555199 | Support for endless grinding sleeves | Peter Maier, Rolf Simen | 1985-11-26 |