Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10512598 | Liquid hair dye with optimized dying performance and care | Christiane Witte | 2019-12-24 |
| 10328007 | Hair straightening with carbocisteine | Birgit Rautenberg-Groth, Katharina Krause | 2019-06-25 |
| 10143634 | Thickening developer for oxidation dyes | Christiane Witte | 2018-12-04 |
| 10020530 | Fuel cell | — | 2018-07-10 |
| 9421160 | Method for chemical smoothing of human hairs | Erik Schulze zur Wiesche, Birgit Rautenberg-Groth | 2016-08-23 |
| 8858652 | Conditioning dyeing agent for keratinous fibers | Christiane Witte | 2014-10-14 |
| 6139853 | Hair colorants and an application mixture for coloring human hair | Mustafa Akram, Wolfgang Wolff, Sandra Rohweder | 2000-10-31 |
| D343882 | Physical exerciser | Anne-Marie Bennstrom, Leslie G. Sinclair, George L. Reynolds | 1994-02-01 |
| D322827 | Hand exerciser or similar article | Anne-Marie Bennstrom, Leslie G. Sinclair, George L. Reynolds | 1991-12-31 |
| 4701265 | Chlorinating apparatus | H. Roger Carlsson, Mats A. Hallberg | 1987-10-20 |
| 4696910 | Catalyst element, a process for the preparation thereof as well as a use thereof | Hans Gustafsson, Karl-Bertil Widen | 1987-09-29 |
| 4382113 | Method for joining graphite to graphite | Olle Ramstrom, Ake Bjareklint | 1983-05-03 |
| 4343982 | Method of joining metal to graphite by spot welding | Roland Soderstrom, Ake Bjareklint | 1982-08-10 |