February 1937 Electrical and scientific apparatus Trademarks by day
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Electrical and scientific apparatus Trademarks filed in February 1937
H & H

H & H

Filed: February 17, 1937
SWITCHES, BASES, RECEPTACLES, SOCKETS, ATTACHMENT PLUGS, ADAPTERS, WALL PLATES, WALL BRACKETS, SHADE HOLDERS FOR INCANDESCENT…
Owned by: CROUSE } HINDS ARROW HART, INC.
Serial Number: 71389007

VISCOR

VISCOR

Filed: February 17, 1937
COLOR FILTERS FOR USE WITH PHOTO-ELECTRIC CELLS
Owned by: SANGAMO WESTON, INC.
Serial Number: 71389047

VITAGUARD

VITAGUARD

Filed: February 16, 1937
ELECTRICAL FIRE ALARM SIGNALING SYSTEMS AND PARTS THEREOF
Owned by: GULF & WESTERN MANUFACTURING COMPANY
Serial Number: 71388978

PILOTROL

PILOTROL

Filed: February 15, 1937
ASSEMBLED COMBINATION OF AN AIR PILOT VALVE WITH SENSITIVITY AND STANDARDIZATION ADJUSTMENTS FOR USE IN METERING AND CONTROLLING…
Owned by: BAILEY METER COMPANY
Serial Number: 71388891

G

G

Filed: February 9, 1937
ELECTRIC CONTROL EQUIPMENT-NAMELY, PROTECTIVE AND SIGNALLING DEVICE SUCH AS RELAYS OF ALL TYPES SUCH AS STEPPING, KEYING…
Owned by: GUARDIAN ELECTRIC MANUFACTURING CO.
Serial Number: 71388679