BOX-FIN
Filed: August 18, 1958
FINNED TUBING FOR USE IN HEAT EXCHANGE APPARATUS
Owned by: EDWARDS ENGINEERING CORPORATION
Serial Number: 72057357
EE
Filed: April 25, 1962
FINNED TUBING; HEATING UNITS; BASEBOARD HEATING UNITS; WATER HEATERS OF THE COIL TYPE; BOILER BURNERS (OIL OR GAS FIRED);…
Owned by: EDWARDS ENGINEERING CORPORATION
Serial Number: 72143015
AIRVEC-CHILLER
Filed: April 25, 1962
CHILLERS FOR COOLING LIQUIDS OR AIR
Owned by: EDWARDS ENGINEERING CORPORATION
Serial Number: 72143017
EE
Filed: April 10, 1963
REFRIGERATION OR AIR CONDITIONING CONDENSERS, COMPRESSORS, WATER CHILLERS AND COOLING UNITS
Owned by: EDWARDS ENGINEERING CORPORATION
Serial Number: 72166453
QUIET-SLIDE
Filed: May 31, 1967
HEAT TRANSFER FINNED TUBING
Owned by: EDWARDS ENGINEERING CORPORATION
Serial Number: 72272714
EDWARDS
Filed: March 31, 1971
FINNED TUBING, HEATING UNITS, COOLING UNITS FOR COOLING THE INTERIOR OF ENCLOSURES, SUCH AS ROOMS OR THE LIKE, BASEBOARD…
Owned by: EDWARDS ENGINEERING CORPORATION
Serial Number: 72387963
ZONE-A-MATIC
automatic valves for zone control in heating systems
Owned by: EDWARDS ENGINEERING CORPORATION
Serial Number: 76053965
