ENVIRO-KLEAN CL
○ Dead · CancelledU.S. federal trademark · Serial No. 73523042 · Reg. No. 1361273
Filing Date
February 20, 1985
Registration Date
September 24, 1985
Goods & Services
DETERGENT ADDED TO DRILLING FLUID TO WASH OIL FROM DRILL BITS AND TO IMPROVE FLUIDITY OF DRILLING FLUID
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