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Stresshield Trademarks
STRESSHIELD
oil and gas drilling fluid additives for use in oil and gas well drilling
Registered
·
March 5, 2021
·
90563224
·
STRESSHIELD
Lost circulation material in the nature of unprocessed cellulose for use in oil and gas well drilling, completion and workover operations
Abandoned
·
November 14, 2018
·
88193562
·
STRESSHIELD
Lost circulation material for use in oil and gas well drilling, completion and workover operations
Abandoned
·
May 21, 2015
·
86638234
·
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