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James M. Barron
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Framingham, MA, US
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last 30 patents
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Patent Grant
Solar collector unit
Patent number
4,062,346
Issue date
Dec 13, 1977
DIY-Sol, Inc.
Felix Rapp
F24 - HEATING RANGES VENTILATING
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Patent Grant
Solar heating control system
Patent number
4,060,195
Issue date
Nov 29, 1977
DIY-Sol, Inc.
Felix Rapp
F24 - HEATING RANGES VENTILATING