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Tekprop Trademarks
TEKPROP
Proppant for use in oil well and gas well hydraulic fracturing operations
Cancelled
·
July 17, 2011
·
85373301
·
TEKPROPPANT
Proppant for use in oil well and gas well hydraulic fracturing operations
Abandoned
·
July 17, 2011
·
85373308
·
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