Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934543 | Method for heating and cooling a room and a building with a plurality of rooms | Klaus Fieback, Lutz Kutzker, Harald Kuhlei, Antonius Hubertus Henricus Schmitz | 2011-05-03 |