Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7159449 | Method of detecting leakage in a heat exchanger | — | 2007-01-09 |
| 4509306 | Panel for self-supporting roof structures comprising elongated extruded profile elements of plastics material closed at their ends, and closing member for such profile elements | Henryk Sokoler | 1985-04-09 |