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3824373
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G05 - CONTROLLING REGULATING
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3809855
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G05 - CONTROLLING REGULATING
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3581984
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G05 - CONTROLLING REGULATING
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3511972
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Patent number 3,511,972
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G05 - CONTROLLING REGULATING
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3497673
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Patent number 3,497,673
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F24 - HEATING RANGES VENTILATING
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3454743
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Patent number 3,454,743
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G05 - CONTROLLING REGULATING
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3354944
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Patent number 3,354,944
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F24 - HEATING RANGES VENTILATING
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3330942
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Patent number 3,330,942
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B32 - LAYERED PRODUCTS
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3323578
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Issue date Jun 6, 1967
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G05 - CONTROLLING REGULATING
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G05 - CONTROLLING REGULATING
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3239650
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Patent number 3,239,650
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F24 - HEATING RANGES VENTILATING
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3237861
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G05 - CONTROLLING REGULATING
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G05 - CONTROLLING REGULATING
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G05 - CONTROLLING REGULATING
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3206937
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G05 - CONTROLLING REGULATING
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G05 - CONTROLLING REGULATING
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G05 - CONTROLLING REGULATING
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3141948
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G05 - CONTROLLING REGULATING
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G05 - CONTROLLING REGULATING
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3051180
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G05 - CONTROLLING REGULATING
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G05 - CONTROLLING REGULATING
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F24 - HEATING RANGES VENTILATING
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G05 - CONTROLLING REGULATING
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G05 - CONTROLLING REGULATING
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F24 - HEATING RANGES VENTILATING
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2607534
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F24 - HEATING RANGES VENTILATING