Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304996 | Dispensing container | Hans Schneider, Albert Stoeffler, Georg Weihrauch | 1989-12-12 |
| 4881558 | Rotatable liquid hair treatment medium applicator | Hans Schneider, Georg Weihrauch | 1989-11-21 |
| 4856542 | Expandable hair curler | Hans Schneider, Georg Weihrauch | 1989-08-15 |
| 4834971 | Hair permanent-waving method and aftertreatment composition | Adolf Klenk, Horst Hoeffkes | 1989-05-30 |
| 4823458 | Foam bodied hair curler | Hans Schneider, Georg Weihrauch | 1989-04-25 |
| 4685931 | Acrylate dispersion and its use for thickening hydrogen peroxide preparations | Ludwig Schieferstein, Norbert Maak | 1987-08-11 |
| 4666712 | Cold permanent wave composition | Hans-Wolfgang Cortekar, Karl Giede, Horst Hoffkes | 1987-05-19 |