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Frank J. Brandenburg Jr.
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Ashland, VA, US
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last 30 patents
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Patent Grant
Sun tracking solar air heating system
Patent number
4,497,311
Issue date
Feb 5, 1985
Frank J. Brandenburg
F24 - HEATING RANGES VENTILATING
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Patent Grant
Method of venting heat from homes
Patent number
4,201,121
Issue date
May 6, 1980
Frank J. Brandenburg
F24 - HEATING RANGES VENTILATING
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Patent Grant
Insulated radiant heater
Patent number
4,107,512
Issue date
Aug 15, 1978
Frank J. Brandenburg
F24 - HEATING RANGES VENTILATING