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Paul A. Hansen
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West Columbia, SC, US
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last 30 patents
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Patent Grant
Automatic biaxial sun tracking mechanism for sun ray utilization de...
Patent number
4,285,567
Issue date
Aug 25, 1981
Paul A. Hansen
F24 - HEATING RANGES VENTILATING
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Patent Grant
Automatic biaxial sun tracking mechanism for sun ray utilization de...
Patent number
4,277,132
Issue date
Jul 7, 1981
Paul A. Hansen
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Automatic biaxial sun tracking mechanism for solar energy utilizati...
Patent number
4,195,905
Issue date
Apr 1, 1980
Paul A. Hansen
F24 - HEATING RANGES VENTILATING