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David L. Coursen

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Apparatus and method for transferring a bingham solid...

E - Fixed Constructions – 21 – B
Patent

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Borehole stemming with a column of liquefiable and/or...

F - Mech Eng,Light,Heat,Weapons – 42 – D
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Compacting powder by explosive charge

E - Fixed Constructions – 02 – D
Patent

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Detonation-wave shaper

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Directed-thrust blasting process

F - Mech Eng,Light,Heat,Weapons – 42 – D
Patent

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Profile ID: LFCA-PAI-P-49428

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