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Strataprop Trademarks
STRATAPROP
chemically coated sand for enhancing the production of oil and gas from subterranean formations
Cancelled
·
November 12, 1993
·
74461571
·
STRATAPROP
chemically coated sand for enhancing the production of oil and gas from subterranean formations
Abandoned
·
July 1, 1992
·
74291123
·
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