September 1921 Environmental control apparatus Trademarks by day
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Environmental control apparatus Trademarks filed in September 1921
G-R

G-R

Filed: September 22, 1921
Air and Gas Compressors, Vapor Condensers, and Liquid Evaporators
Owned by: ALSTOM POWER INC
Serial Number: 71153208

RE-NU

RE-NU

Filed: September 9, 1921
FAUCETS
Owned by: STANDARD SANITARY MANUFACTURING COMPANY
Serial Number: 71152773

MULTIVANE

MULTIVANE

Filed: September 1, 1921
CENTRIFUGAL FANS
Owned by: B.F. STURTEVANT COMPANY
Serial Number: 71152493