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Electric heating apparatus
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Patent number 4,431,908
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Issue date Feb 14, 1984
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Fischer; Karl
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Karl Fischer
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Method of shaping coils
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Patent number 4,308,080
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Issue date Dec 29, 1981
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Micropore International Limited
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Joseph A. McWilliams
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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3816704
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Patent number 3,816,704
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Issue date Jun 11, 1974
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F24 - HEATING RANGES VENTILATING
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3798759
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Patent number 3,798,759
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Issue date Mar 26, 1974
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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3781523
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Patent number 3,781,523
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Issue date Dec 25, 1973
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F24 - HEATING RANGES VENTILATING
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3781528
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Patent number 3,781,528
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Issue date Dec 25, 1973
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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3758750
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Patent number 3,758,750
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Issue date Sep 11, 1973
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3718497
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Patent number 3,718,497
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Issue date Feb 27, 1973
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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3701884
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Patent number 3,701,884
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Issue date Oct 31, 1972
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F24 - HEATING RANGES VENTILATING
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3668599
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Patent number 3,668,599
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Issue date Jun 6, 1972
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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3581144
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Patent number 3,581,144
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Issue date May 25, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3500444
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Patent number 3,500,444
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Issue date Mar 10, 1970
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B28 - WORKING CEMENT, CLAY, OR STONE
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3500464
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Patent number 3,500,464
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Issue date Mar 10, 1970
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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3488979
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Patent number 3,488,979
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Issue date Jan 13, 1970
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3444616
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Patent number 3,444,616
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Issue date May 20, 1969
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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3439152
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Patent number 3,439,152
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Issue date Apr 15, 1969
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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3309643
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Patent number 3,309,643
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Issue date Mar 14, 1967
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR