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Stratafrac Trademarks
STRATAFRAC
Chemical Compositions Used to Stimulate Production of Oil and Gas from Subterranean Formations
Expired
·
April 9, 1980
·
73257412
·
STRATAFRAC
FRACTURING AND CHEMICALLY TREATING SUBTERRANEAN FORMATIONS, AND OIL AND GAS WELLS
Expired
·
November 14, 1975
·
73069028
·
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