Mark Identification

ENERWALL

Serial Number

73529899

Filing Date

Apr 1, 1985

Registration Date

Feb 4, 1986

Trademark by

HPM INC.

Classification Information

PASSIVE SOLAR ROOM HEATING SYSTEM, HAVING A THERMAL ENERGY STORAGE PANEL, FRAME, INSULATED GLASS, AIR FLOW OUTLETS, FAN AND CONTROL MODULE

Environmental Control Apparatus