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Carbon rupture disk assembly
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Patent number 6,948,515
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Issue date Sep 27, 2005
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Zook Enterprises, LLC
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Thomas J. Wadkins
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Graphite bursting disc
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Patent number 6,399,175
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Issue date Jun 4, 2002
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Zook Enterprises, LLC
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Richard Nicholas Clark
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Stacked rupture disk assembly
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Patent number 6,311,715
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Issue date Nov 6, 2001
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Zook Enterprises, LLC
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Thomas J. Wadkins
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Graphite bursting disc
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Patent number 6,254,982
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Issue date Jul 3, 2001
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Zook Enterprises, LLC
-
Richard Nicholas Clark
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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76106602 - RUPTURITE
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Serial number 76106602
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Filing date Aug 8, 2000
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ZOOK Enterprises, LLC
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6 - Common metals and their alloys
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73250849 - Z
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Serial number 73250849
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Registration number 1172979
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Filing date Feb 20, 1980
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Zook Enterprises Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73249810 - ZOOK
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Serial number 73249810
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Registration number 1172977
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Filing date Feb 11, 1980
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Zook Enterprises Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments