Hans Kehlbeck

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Bremen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Valve housing and cap
- Patent number D421091
- Issue date Feb 22, 2000
- Gestra GmbH
- Hans Kehlbeck
- D23 - Environmental heating and cooling
Information Patent Grant
Combined valve housing and cap
- Patent number D407146
- Issue date Mar 23, 1999
- Gestra GmbH
- Hans Kehlbeck
- D23 - Environmental heating and cooling