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US2120034A
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Indestructible release mechanism for blasting cartridges
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US2098529A
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Method and apparatus for charging blasting cartridges
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US2083737A
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Blasting method and apparatus
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US2083739A
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Material breaking method and apparatus
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US2083735A
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Blasting cartridge
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US2083729A
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Material-breaking apparatus
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US2083736A
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Blasting cartridge
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US2083548A
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Material-breaaing apparatus
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US2083981A
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Material breaking apparatus
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US2083979A
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Blasting cartridge
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US2083977A
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Blasting cartridge
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US2083978A
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Blasting cartridge
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US2083699A
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Blasting cartridge
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US2083980A
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Blasting cartridge
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US2083734A
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Air-shooting apparatus
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US2083584A
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Blasting cartridge
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ES134593A1
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An improved method for blasting or starting materials such as coal.
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ES134594A1
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Improvements in blasting cartridges that use compressed air or other gas.
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GB429807A
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Improvements in and relating to blasting cartridges using compressed air or other gas
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US2083697A
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Apparatus for breaking material
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