Sunspool Corporation

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Palo Alto, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Check valve and spring to prevent forward and reverse thermosiphoni...
- Patent number 4,541,412
- Issue date Sep 17, 1985
- Sunspool Corporation
- David P. Bagshaw
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Freeze protection apparatus for solar collectors
- Patent number 4,395,882
- Issue date Aug 2, 1983
- Sunspool Corporation
- Michael A. Kast
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks