April 1930 Environmental control apparatus Trademarks by day
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Environmental control apparatus Trademarks filed in April 1930
CARBORADIANT

CARBORADIANT

Filed: April 21, 1930
FURNACES AND PARTS THEREOF; RADIATING COMBUSTION CHAMBERS USING GASEOUS, LIQUID, AND SOLID FUEL AND COMPRISED OF REFACTORY…
Owned by: CARBORUNDUM COMPANY, THE
Serial Number: 71299181

COLDSPOT

COLDSPOT

Filed: April 21, 1930
ELECTRIC REFRIGERATORS
Owned by: SEARS, ROEBUCK AND CO.
Serial Number: 71299231

HARTZELL

HARTZELL

Filed: April 17, 1930
VENTILATOR, BLOWERS AND FANS
Owned by: HARTZELL FAN, INC.
Serial Number: 71298993

F.L.S.

F.L.S.

Filed: April 16, 1930
KILNS, CONTROL EQUIPMENT FOR KILNS, PARTS OF AND APPURTENANCES FOR KILNS SOLD AS COMPLETE KILNS COMPRISING TIRES, SUPPORTING…
Owned by: F. L. SMIDTH & CO.
Serial Number: 71298959

STIRFLEX

STIRFLEX

Filed: April 4, 1930
APPARATUS FOR MECHANICALLY COOLING ROASTED COFFEE AND OTHER MATERIALS
Owned by: PROBAT, INC.
Serial Number: 71298376

NONEX

NONEX

Filed: April 3, 1930
GLASS [ LANTERN AND ] LAMP GLOBES [ AND CHIMNEYS ]
Owned by: CORNING INCORPORATED
Serial Number: 71298313