Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D502097 | Package | Ulrike Holthaus | 2005-02-22 |
| D489609 | Package | Ulrike Holthaus | 2004-05-11 |
| 6688314 | Application device for highlighting hair | Horst Hoeffkes, Detlef Hollenberg, Peter Solich | 2004-02-10 |
| D470769 | Package | Ulrike Holthaus | 2003-02-25 |
| 5547375 | Suction device for dental treatment units | — | 1996-08-20 |
| 5035251 | Hair treatment media application device | Detlef Hollenberg, Georg Weihrauch | 1991-07-30 |
| 5020552 | Expandable hair curler | Detlef Hollenberg, Georg Weihrauch | 1991-06-04 |
| 4988017 | Dual chamber aerosol container | Dieter Schrader, Karl Giede, Dietholf Mehl | 1991-01-29 |
| D304996 | Dispensing container | Detlef Hollenberg, Albert Stoeffler, Georg Weihrauch | 1989-12-12 |
| 4881558 | Rotatable liquid hair treatment medium applicator | Detlef Hollenberg, Georg Weihrauch | 1989-11-21 |
| 4856542 | Expandable hair curler | Detlef Hollenberg, Georg Weihrauch | 1989-08-15 |
| 4823458 | Foam bodied hair curler | Detlef Hollenberg, Georg Weihrauch | 1989-04-25 |
| 4823946 | Two-compartment container | Albert Stoeffler, Dietholf Mehl | 1989-04-25 |