Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10641417 | Fire protection sleeve | — | 2020-05-05 |
| 10610711 | Firestop collar | Hans Henning Artmann, Markus Koegler, Egon Berghofer | 2020-04-07 |
| 10596399 | Firestop collar | Hans Henning Artmann, Markus Koegler, Egon Berghofer | 2020-03-24 |