P. M. Wright Ltd. Trademarks
FAN-X-CHANGER

FAN-X-CHANGER

Filed: April 7, 1982
Capillary Wheel Air-to-Air Heat Exchangers
Owned by: P. M. Wright Ltd.
Serial Number: 73358725

VENT-X-CHANGER

VENT-X-CHANGER

Filed: May 7, 1984
Capillary Wheel Air-to-Air Heat Exchangers
Owned by: P. M. Wright Ltd.
Serial Number: 73479090

THERMOPAK PLUS

THERMOPAK PLUS

Filed: January 19, 1996
gas phase filtration units with heat recovery
Owned by: P. M. Wright Ltd.
Serial Number: 75050782

DIA DESIGNER INDOOR AIR

DIA DESIGNER INDOOR AIR

Chemical preparations in the nature of chemical media to assist in the filtration of gases and odors, odor abatement, toxic…
Owned by: P. M. Wright Ltd.
Serial Number: 76239541