Mark Identification

NORTHWESTERN

Serial Number

75937314

Filing Date

Mar 7, 2000

Registration Date

Apr 3, 2001

Trademark by

NORTHWESTERN CORPORATION

Classification Information

design for others of air quality management systems, lighting systems, heating, ventilating and air conditioning systems, and standby electrical generation systems; consultation services in the field of air quality, energy use, conservation, and energy use auditing, security system monitoring

Computer and Scientific