Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10139114 | Method of construction of a wall heating panel and a wall heating panel | Marek Grzegorz Wojcik, Pawel WÓJCIK | 2018-11-27 |
| 4856494 | Solar heating installation with failure-protected heating medium hose | Claus Schussler, Rolf Hemminger | 1989-08-15 |