Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874554 | Quaternary ammonium compounds | Fritz Lange, Peter Busch | 1989-10-17 |
| 4867183 | Dispenser for hair cosmetics | Peter Busch | 1989-09-19 |
| 4830030 | Hair clip applicator for liquids and method | Peter Busch | 1989-05-16 |
| 4803068 | Hair-treatment preparation for improved wet combability | Uwe Ploog, Peter Busch, Horst Hoffkes, Karl Giede | 1989-02-07 |