Mark Identification

WTD

Serial Number

74048598

Filing Date

Apr 13, 1990

Registration Date

Dec 31, 1991

Trademark by

LONGYEAR COMPANY

Classification Information

environmental drilling services including soil boring, soil sampling, rock coring, rock sampling, monitoring well installation and removal for obtaining soil and groundwater information for foundations, landfills, spills and hazardous waste sites

Computer and Scientific