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Ionization detector
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Patent number 5,010,252
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Issue date Apr 23, 1991
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General Electric Company
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Douglas S. Steele
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H01 - BASIC ELECTRIC ELEMENTS
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X-ray inspection system
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Patent number 4,803,639
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Issue date Feb 7, 1989
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General Electric Company
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Douglas S. Steele
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G06 - COMPUTING CALCULATING COUNTING
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Ionization detector
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Patent number 4,691,108
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Issue date Sep 1, 1987
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General Electric Company
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Douglas S. Steele
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H01 - BASIC ELECTRIC ELEMENTS
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Ionization detector
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Patent number 4,682,964
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Issue date Jul 28, 1987
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General Electric Company
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Douglas S. Steele
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H01 - BASIC ELECTRIC ELEMENTS
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Ionization detector
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Patent number 4,613,313
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Issue date Sep 23, 1986
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General Electric Company
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Douglas S. Steele
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H01 - BASIC ELECTRIC ELEMENTS
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Ionization detector
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Patent number 4,613,314
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Issue date Sep 23, 1986
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General Electric Company
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Douglas S. Steele
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H01 - BASIC ELECTRIC ELEMENTS
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Ionization detector
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Patent number 4,570,071
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Issue date Feb 11, 1986
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General Electric Company
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Theodore W. Sippel
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H01 - BASIC ELECTRIC ELEMENTS
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