K-FIN
Filed: May 9, 1928
PIPES AND TUBING OF COPPER, ALUMINUM, IRON, STEEL, AND OTHER METALS, PROVIDED WITH HEAT-RADIATING FINS
Owned by: Ecolaire Incorporated
Serial Number: 71266132
BH
Filed: September 7, 1972
HYDRAULIC PRESSES AND MECHANICAL PRESSES, AND PARTS THEREFOR
Owned by: Ecolaire Incorporated
Serial Number: 72434970
WHITCOMB
Filed: September 21, 1972
LOCOMOTIVES AND PARTS THEREOF
Owned by: Ecolaire Incorporated
Serial Number: 72436300
ECOLAIRE
Filed: August 13, 1976
INDUSTRIAL VALVES FOR CONTROL OF LIQUIDS AND GASES, AND FEED WATER HEATERS
Owned by: Ecolaire Incorporated
Serial Number: 73096749
LINK LOUVER
Filed: October 29, 1976
DAMPERS FOR DUCTING FOR USE IN GAS FLOW CONTROL
Owned by: Ecolaire Incorporated
Serial Number: 73104851
HYDROMIX
Filed: December 3, 1976
APPARATUS FOR COMBINING FLY ASH AND DUST WITH WATER TO FACILITATE DISPOSAL OF SAME
Owned by: Ecolaire Incorporated
Serial Number: 73108770
ECOLETTER
Filed: February 23, 1977
IN-HOUSE NEWSLETTER
Owned by: Ecolaire Incorporated
Serial Number: 73117028
NESTS
Filed: January 28, 1980
Tube Supports for Industrial Hot Water Heat Exchangers and Condensers
Owned by: Ecolaire Incorporated
Serial Number: 73248116
