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Orville R. Butts
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West Lafayette, IN, US
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last 30 patents
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Patent Grant
Prompting control
Patent number
4,454,501
Issue date
Jun 12, 1984
Roper Corporation
Orville R. Butts
F24 - HEATING RANGES VENTILATING
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Patent Grant
Multiprocessor control bus
Patent number
4,380,698
Issue date
Apr 19, 1983
Roper Corporation
Orville R. Butts
F24 - HEATING RANGES VENTILATING
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Patent Grant
Prompting control
Patent number
4,341,197
Issue date
Jul 27, 1982
Roper Corporation
Orville R. Butts
F24 - HEATING RANGES VENTILATING