Mark Identification

LAYNE

Serial Number

74222924

Filing Date

Nov 18, 1991

Registration Date

Dec 1, 1992

Trademark by

LAYNE CHRISTENSEN COMPANY

Active Trademark

Classification Information

drilling services; namely, water well drilling, solid and rock drilling and sampling; hydrogeological services; namely, test hole drilling; gound water development services; namely, construction of water wells and well field systems, and installation, repair and maintenance of water treatment equipment; namely, chlorinators, aerators, filters and controls; and water treatment equipment

Building Construction and Repair

water well treatment services; namely, chemically and mechanically enhancing water wells; environmental services; namely, treatment to remedy environmental damage to goundwater and the subsurface, and consulting services related thereto

Treatment of Materials

mineral exploration services featuring exploratory drilling; hydrogeological services; namely, aquifer analysis, hydrological studies and geophysical logging; aquifer pumping testing; ground water development services; namely, design for others in the field of water wells

Computer and Scientific