TUNEAIRE
Filed: December 14, 1990
air conditioner which detects an elevated level of carbon dioxide in the air and introduces fresh air in response thereto…
Owned by: GAZTECH CORPORATION
Serial Number: 74123546
TELAIRE
Filed: December 14, 1990
meter for sensing and indicating the concentration of carbon dioxide in the air
Owned by: GAZTECH CORPORATION
Serial Number: 74123547
CO ALERT
Filed: March 1, 1991
carbon monoxide sensors
Owned by: GAZTECH CORPORATION
Serial Number: 74143697
CONDITIONAIRE
Filed: May 23, 1991
control unit for heating, ventilating and air conditioning systems to regulate the concentration of carbon dioxide by introducing…
Owned by: GAZTECH CORPORATION
Serial Number: 74169166
VENTOSTAT
Filed: May 23, 1991
control unit for heating, ventilating and air conditioning systems to regulate the concentration of carbon dioxide by introducing…
Owned by: GAZTECH CORPORATION
Serial Number: 74169167
VENTOMETER
Filed: May 23, 1991
carbon dioxide sensor unit for use in heating ventilating and air conditioning systems
Owned by: GAZTECH CORPORATION
Serial Number: 74169168
