Mark Identification

PERMA-SERIES

Serial Number

73790897

Filing Date

Apr 3, 1989

Registration Date

Feb 20, 1990

Trademark by

HALLIBURTON ENERGY SERVICES INC.

Active Trademark

Classification Information

OIL AND GAS WELL DOWNHOLE EQUIPMENT, NAMELY WELL PACKERS, PRODUCTION PACKERS AND PARTS THEREFOR

Machinery