Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834947 | Fire escape chamber with outer cage and inner cage | Alexander Beckmann, Eric Rojahn | 2017-12-05 |
| 9618255 | Personal safety system and process for the operation of a personal safety system | — | 2017-04-11 |