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Patent number 6,009,947
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Issue date Jan 4, 2000
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Conoco Inc.
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Dennis R. Wilson
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E21 - EARTH DRILLING MINING
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Primer assembly
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Patent number 4,796,533
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Issue date Jan 10, 1989
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ETI Explosives Technologies International Inc.
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Malak E. Yunan
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F42 - AMMUNITION BLASTING
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Primer assembly
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Patent number 4,718,345
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Issue date Jan 12, 1988
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E. I. Du Pont de Nemours and Company
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Malak E. Yunan
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F42 - AMMUNITION BLASTING
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Delay detonator
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Patent number 4,429,632
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Issue date Feb 7, 1984
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E. I. Du Pont de Nemours & Co.
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F42 - AMMUNITION BLASTING
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Non-electric blasting assembly
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Patent number 4,426,933
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Issue date Jan 24, 1984
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E. I. Du Pont de Nemours and Company
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Malak E. Yunan
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C06 - EXPLOSIVES MATCHES
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Non-electric blasting assembly
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Patent number 4,424,747
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Issue date Jan 10, 1984
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E. I. Du Pont de Nemours and Company
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Malak E. Yunan
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Explosive connecting cord
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Patent number 4,232,606
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Issue date Nov 11, 1980
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E. I. Du Pont de Nemours and Company
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Malak E. Yunan
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C06 - EXPLOSIVES MATCHES
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