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Digital oem ceiling fan
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Patent number 4,818,920
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Issue date Apr 4, 1989
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Keith D. Jacob
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F24 - HEATING RANGES VENTILATING
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Two-tone dimmer circuit
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Patent number 4,749,917
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Issue date Jun 7, 1988
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Paul G. Angott
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Day/night mirror
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Patent number 4,701,022
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Issue date Oct 20, 1987
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C-D Marketing, Ltd.
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Keith D. Jacob
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B60 - VEHICLES IN GENERAL
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Liquid crystal panel shade
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Patent number 4,641,922
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Issue date Feb 10, 1987
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C-D Marketing, Ltd.
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Keith D. Jacob
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B60 - VEHICLES IN GENERAL
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FM Signal demodulator
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Patent number 4,574,247
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Issue date Mar 4, 1986
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Multi-Elmac Company
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Keith Jacob
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Solid state proximity switch
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Patent number 4,161,659
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Issue date Jul 17, 1979
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Scovill Manufacturing Company
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Keith Jacob
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G01 - MEASURING TESTING
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