August 1930 Environmental control apparatus Trademarks by day
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Environmental control apparatus Trademarks filed in August 1930
JANITROL

JANITROL

Filed: August 6, 1930
GAS-BURNING APPLIANCES ADAPTED FOR CONVERTING HOUSE-HEATING FURNACES ORIGINALLY DESIGNED FOR BURNING SOLID FUEL INTO GAS…
Owned by: SURFACE COMBUSTION CO. INCORPORATED, THE
Serial Number: 71304298