Wolfgang Kunkel

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Triesen, LI

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Patents Grantslast 30 patents

Information Patent Grant
Fire tube for a heating boiler
- Patent number 4,214,627
- Issue date Jul 29, 1980
- Interliz Anstalt
- Wolfgang Kunkel
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Double-fired heating boiler
- Patent number 4,206,723
- Issue date Jun 10, 1980
- Interliz Anstalt
- Wolfgang Kunkel
- F24 - HEATING RANGES VENTILATING