Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9642412 | Adjustment mechanism for a headband arrangement of a safety helmet | Robert Klotz | 2017-05-09 |
| 9572392 | Adjustment mechanism for a headband arrangement of a safety helmet | Robert Klotz | 2017-02-21 |