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Granular quartz glass product
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Patent number 4,243,422
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Issue date Jan 6, 1981
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Dynamit Nobel Aktiengesellschaft
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Arnold Lenz
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C03 - GLASS MINERAL OR SLAG WOOL
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Glass electrode assembly
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Patent number 3,930,976
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Issue date Jan 6, 1976
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George Kent Limited
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John Cadwaladr Owen
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G01 - MEASURING TESTING
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3912486
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Patent number 3,912,486
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Issue date Oct 14, 1975
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C03 - GLASS MINERAL OR SLAG WOOL
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3876409
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Patent number 3,876,409
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Issue date Apr 8, 1975
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C03 - GLASS MINERAL OR SLAG WOOL
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3813468
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Patent number 3,813,468
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Issue date May 28, 1974
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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3787780
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Patent number 3,787,780
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Issue date Jan 22, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3718569
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Patent number 3,718,569
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Issue date Feb 27, 1973
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G01 - MEASURING TESTING
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3713992
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Patent number 3,713,992
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Issue date Jan 30, 1973
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C03 - GLASS MINERAL OR SLAG WOOL
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3649506
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Patent number 3,649,506
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Issue date Mar 14, 1972
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G01 - MEASURING TESTING
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3539919
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Patent number 3,539,919
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Issue date Nov 10, 1970
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G01 - MEASURING TESTING
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3539695
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Patent number 3,539,695
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Issue date Nov 10, 1970
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F27 - FURNACES KILNS OVENS RETORTS
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3539691
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Patent number 3,539,691
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Issue date Nov 10, 1970
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C03 - GLASS MINERAL OR SLAG WOOL
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3511303
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Patent number 3,511,303
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Issue date May 12, 1970
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3498901
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Patent number 3,498,901
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Issue date Mar 3, 1970
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G01 - MEASURING TESTING
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3498899
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Patent number 3,498,899
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Issue date Mar 3, 1970
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G01 - MEASURING TESTING
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3480536
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Patent number 3,480,536
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Issue date Nov 25, 1969
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C03 - GLASS MINERAL OR SLAG WOOL
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3474088
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Patent number 3,474,088
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Issue date Oct 21, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3471392
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Patent number 3,471,392
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Issue date Oct 7, 1969
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G01 - MEASURING TESTING
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3470030
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Patent number 3,470,030
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Issue date Sep 30, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3464404
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Patent number 3,464,404
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Issue date Sep 2, 1969
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3465085
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Patent number 3,465,085
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Issue date Sep 2, 1969
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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3445368
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Patent number 3,445,368
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Issue date May 20, 1969
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G01 - MEASURING TESTING
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3444463
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Patent number 3,444,463
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Issue date May 13, 1969
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G01 - MEASURING TESTING
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3444464
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Patent number 3,444,464
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Issue date May 13, 1969
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G01 - MEASURING TESTING
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3444067
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Patent number 3,444,067
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Issue date May 13, 1969
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G01 - MEASURING TESTING
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3444068
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Patent number 3,444,068
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Issue date May 13, 1969
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G01 - MEASURING TESTING