May 1929 Environmental control apparatus Trademarks by day
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Environmental control apparatus Trademarks filed in May 1929
W & B

W & B

Filed: May 27, 1929
[ ARBORS, ] BITS, [CENTER REAMERS,] [ CHUCKS, ] [COUNTER-BORES,] COUNTERSINKS, [ DIESINKING CUTERS, ] [DRIFTS,] [ END MILLS…
Owned by: KENNAMETAL INC.
Serial Number: 71284710

UNIVERSAL

UNIVERSAL

Filed: May 22, 1929
MARINE ENGINES, [ INTERNAL-COMBUSTION ENGINES FOR MARINE OR STATIONARY USE OR FOR POWER PURPOSES IN ANY COMBINATION, AND…
Owned by: Westerbeke Corporation
Serial Number: 71284508

CARBOFRAX

CARBOFRAX

Filed: May 15, 1929
FURNACES AND PARTS THEREOF, MUFFLES AND PARTS THEREOF, RETORTS AND PARTS THEREOF, OIL AND GAS BURNERS AND PARTS THEREOF,…
Owned by: CARBORUNDUM COMPANY, THE
Serial Number: 71284046

DIATHERMATIC

DIATHERMATIC

Filed: May 11, 1929
GAS-FIRED BAKE OVENS
Owned by: BAKER PERKINS COMPANY, INC.
Serial Number: 71283855

GS GIRL SCOUTS

GS GIRL SCOUTS

Filed: May 8, 1929
FLASH LIGHTS
Owned by: Girl Scouts
Serial Number: 71283681

DWIGHT-LLOYD

DWIGHT-LLOYD

Filed: May 3, 1929
MACHINES FOR TREATING ORE AND FUMING OFF VOLATILE METALS, MACHINES FOR SINTERING OR AGGLOMERATING ORE, MACHINES FOR RECOVERING…
Owned by: DWIGHT & LLOYD METALLURGICAL COMPANY
Serial Number: 71283444