Mark Identification

TR

Serial Number

73365394

Filing Date

May 19, 1982

Registration Date

Dec 6, 1983

Trademark by

THERMAL ENGINEERING OF ARIZONA INC.

Classification Information

Waste Water Heat Recovery System Comprising Heat Exchangers, Water Pumps, Storage Tanks, and Controls for Same for Use in the Recovery of Heat from Commercial Laundry Waste Water

Environmental Control Apparatus