Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5802932 | Cutter for a cutting device of an electric shaving apparatus or beard trimmer | Michael Vankov, Karlheinz Johne, Dieter Huth, Rudolf Majthan, Lutz Voigtmann | 1998-09-08 |
| 5711880 | Filtering means for the filtration of extraction beverages, in particular espresso | Dieter Friedrich, Michael Machlitt, Rolf Eimecke, Dieter Koch, Christof Miltenberger +1 more | 1998-01-27 |
| 5343621 | Shaving apparatus | Gerhard Hildebrand, Hans-Eberhard Heintke, Klaus Ramspeck, Reinhold Eichhorn, Helmut Durr +4 more | 1994-09-06 |
| 5245754 | Dry shaving apparatus | Hans-Eberhard Heintke, Gerhard Hildebrand, Manfred Ohle, Klaus Ramspeck, Wolfgang Franke +3 more | 1993-09-21 |
| 5235749 | Shaving apparatus | Gerhard Hildebrand, Hans-Eberhard Heintke, Klaus Ramspeck, Reinhold Eichhorn, Helmut Durr +4 more | 1993-08-17 |
| 4906181 | Liquified gas conveying means for combustion device | Richard Ebner, Michael Haas, Gerhard Hildebrand, Joachim Manthey, Karl ffinger +3 more | 1990-03-06 |