Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9578915 | Forehead band | Martin Greber | 2017-02-28 |
| 9554609 | Belt closure and chin strap of a protective helmet equipped therewith | Martin Greber | 2017-01-31 |
| D776179 | Spectacle glass | Martin Greber | 2017-01-10 |