Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6352781 | Composite film and process for its manufacture | Wolfgang Lohwasser, Hans-Rudolf Nageli, Otto Hummel | 2002-03-05 |
| 5985421 | Multilayer film material | — | 1999-11-16 |
| 5904249 | Blister pack | Monique Roulin, Heinz Oster | 1999-05-18 |
| 5819940 | Blister pack | Monique Roulin, Heinz Oster | 1998-10-13 |
| 5794781 | Blister pack | Monique Roulin, Heinz Oster | 1998-08-18 |
| 5695063 | Blister pack | Monique Roulin, Heinz Oster | 1997-12-09 |
| 5624036 | Blister pack | Monique Roulin, Heinz Oster | 1997-04-29 |
| 5520801 | Liquid filter | Heinz Wendt | 1996-05-28 |
| 4827099 | Method and apparatus for continuous production of tubular bodies by means of laser longitudinal seam welding | Rolf Krebs, Otto Welsing, Friedhelm Retzlaff, Friedhelm Gunter, Hans-Jürgen Wahl +1 more | 1989-05-02 |
| 4656332 | Use of the laser welding process for and method of manufacturing of welded construction parts for exhaust installations | Heinz Gross, Rolf Krebs, Friedhelm Retzlaff | 1987-04-07 |