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Boron nitride insulating material
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Patent number 4,106,186
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Issue date Aug 15, 1978
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The United States of America as represented by the United States Department o...
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Chester S. Morgan
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G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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Method of making heating cables
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Patent number 4,033,028
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Issue date Jul 5, 1977
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Pyrotenax of Canada Limited
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David Malcolm Howie
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H01 - BASIC ELECTRIC ELEMENTS
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3864798
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Patent number 3,864,798
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Issue date Feb 11, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3355802
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Patent number 3,355,802
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Issue date Dec 5, 1967
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C01 - INORGANIC CHEMISTRY
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3353260
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Patent number 3,353,260
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Issue date Nov 21, 1967
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H01 - BASIC ELECTRIC ELEMENTS
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3017688
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Patent number 3,017,688
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Issue date Jan 23, 1962
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H01 - BASIC ELECTRIC ELEMENTS
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2818631
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Patent number 2,818,631
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Issue date Jan 7, 1958
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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2808492
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Patent number 2,808,492
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Issue date Oct 1, 1957
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H01 - BASIC ELECTRIC ELEMENTS
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2701410
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Patent number 2,701,410
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Issue date Feb 8, 1955
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2577080
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Patent number 2,577,080
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Issue date Dec 4, 1951
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H01 - BASIC ELECTRIC ELEMENTS
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2475756
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Patent number 2,475,756
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Issue date Jul 12, 1949
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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2347993
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Patent number 2,347,993
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Issue date May 2, 1944
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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2219523
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Patent number 2,219,523
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Issue date Oct 29, 1940
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H01 - BASIC ELECTRIC ELEMENTS
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2053405
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Patent number 2,053,405
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Issue date Sep 8, 1936
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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1913355
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Patent number 1,913,355
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Issue date Jun 6, 1933
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1911063
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Patent number 1,911,063
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Issue date May 23, 1933
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H01 - BASIC ELECTRIC ELEMENTS
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1809089
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Patent number 1,809,089
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Issue date Jun 9, 1931
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1523434
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Patent number 1,523,434
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Issue date Jan 20, 1925
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H01 - BASIC ELECTRIC ELEMENTS
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649726
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Patent number 649,726
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Issue date May 15, 1900
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR