June 1939 Environmental control apparatus Trademarks by day
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Environmental control apparatus Trademarks filed in June 1939
ZONAX

ZONAX

Filed: June 30, 1939
AIR QUENCHING COOLERS IN THE FORM OF SEPARATE UNITS OR INTEGRAL WITH ROTARY KILNS
Owned by: SMIDTH, F.L. & CO.
Serial Number: 71421164

WINCO

WINCO

Filed: June 13, 1939
BAFFLE AND SCREEN TYPE WINDOW AND WALL VENTILATORS
Owned by: WINCO VENTILATOR COMPANY
Serial Number: 71420459

WATER WAND

WATER WAND

Filed: June 5, 1939
VELOCITY REDUCING LIQUID NOZZLES
Owned by: ALASKA FISH FERTILIZER COMPANY
Serial Number: 71420188