Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11279053 | Safety razor and blade unit for safety razor | Michael Lessmann, Jens Treu, Yvonne Neumann, Hiroyuki Nakasuka | 2022-03-22 |
| 10870212 | Safety razor and blade unit for safety razor | Jens Treu, Michael Lessmann, Yvonne Neumann, Ralf Hagens, Philip Drescher | 2020-12-22 |
| 10807258 | Safety razor and blade unit for safety razor | Michael Lessmann, Jens Treu, Yvonne Neumann, Hiroyuki Nakasuka, Ralf Hagens +1 more | 2020-10-20 |
| 10792827 | Safety razor handle | Jens Treu, Michael Lessmann, Yvonne Neumann | 2020-10-06 |
| 10717202 | Safety razor and blade unit for safety razor | Michael Lessmann, Jens Treu, Yvonne Neumann, Hiroyuki Nakasuka, Ralf Hagens +1 more | 2020-07-21 |
| 10391653 | Safety razor and blade unit for safety razor | Michael Lessmann, Jens Treu, Yvonne Neumann, Hiroyuki Nakasuka, Ralf Hagens +1 more | 2019-08-27 |