David E. Beal

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Augusta, ME, US

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Patents Grantslast 30 patents

Information Patent Grant
Heat pump system dehumidifier with secondary water loop
- Patent number 5,613,372
- Issue date Mar 25, 1997
- Dumont Management, Inc.
- David E. Beal
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Apparatus for use in dehumidifying and otherwise conditioning air w...
- Patent number 4,987,952
- Issue date Jan 29, 1991
- Dumont Holding Company
- David E. Beal
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Split system dehumidifier
- Publication number 20080173035
- Publication date Jul 24, 2008
- Daniel D. Thayer
- F24 - HEATING RANGES VENTILATING