Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1074067 | Collapsible helmet | Christian Von Heifner | 2025-05-06 |
| 11589634 | Collapsible helmet | Christian Von Heifner, Jochen Schaepers | 2023-02-28 |
| 11191316 | Collapsible helmet | Christian Von Heifner, Jochen Schaepers | 2021-12-07 |
| D873495 | Collapsible helmet | Christian Von Heifner | 2020-01-21 |