Andrew Popelka

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Acton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for condensate removal
- Patent number 5,271,237
- Issue date Dec 21, 1993
- Electric Power Research Institute, Inc.
- Andrew Popelka
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method and apparatus for interior space conditioning with improved...
- Patent number 5,245,835
- Issue date Sep 21, 1993
- Electric Power Research Institute, Inc.
- Barry M. Cohen
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Rectangular flexible duct
- Patent number 5,085,251
- Issue date Feb 4, 1992
- Electric Power Research Institute
- Andrew Popelka
- F24 - HEATING RANGES VENTILATING