Mark Identification

ENVIRO-DRIL

Serial Number

73640489

Filing Date

Jan 20, 1987

Registration Date

Aug 18, 1987

Trademark by

Classification Information

CHEMICAL ADDITIVES FOR OIL AND GAS WELL DRILLING, NAMELY SHALE ENCAPSULATORS AND BOREHOLE STABILIZERS

[ LUBRICANTS USED IN OIL AND GAS WELL DRILLING ]