May 1950 Electrical and scientific apparatus Trademarks by day
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Electrical and scientific apparatus Trademarks filed in May 1950
HULL

HULL

Filed: May 29, 1950
MAGNETIC COMPASSES
Owned by: HULL MANUFACTURING COMPANY
Serial Number: 71598302

DENSITROL

DENSITROL

Filed: May 29, 1950
PLUMMET TYPE DENSITY MEASURING, DENSITY INDICATING AND DENSITY CONTROLLING INSTRUMENTS AND PARTS THEREOF (FOR USE IN MEASURING…
Owned by: PRECISION THERMOMETER & INSTRUMENT COMPANY
Serial Number: 71598322

NIFE

NIFE

Filed: May 27, 1950
ELECTRICAL PRIMARY AND SECONDARY CELLS AND STORAGE BATTERIES ; [ELECTRICAL ILLUMINATING AND LIGHTING MEANS-NAMELY, LAMPS…
Owned by: SAFT AKTIEBOLAG
Serial Number: 71598279

DURA FLASH

DURA FLASH

Filed: May 26, 1950
PHOTOGRAPHIC FLASH LAMPS
Owned by: DURA ELECTRIC LAMP CO., INC.
Serial Number: 71598171

"WAY-ETTE"

Filed: May 25, 1950
KITCHEN WEIGHING SCALES
Owned by: PELOUZE MANUFACTURING CO.
Serial Number: 71598105

SPEED-I-O-SCOPE

SPEED-I-O-SCOPE

Filed: May 25, 1950
ATTACHMENT FOR A PROJECTOR FOR TACHISTOSCOPIC TRAINING, THE ATTACHMENT DEVICE ENABLING THE OPERATOR TO FLASH-SLIDE AND FILM…
Owned by: SOCIETY FOR VISUAL EDUCATION, INC.
Serial Number: 71598112

BLAZE FINDER

BLAZE FINDER

Filed: May 23, 1950
ROOM FIRE ALARMS CONSISTING OF A CONTROL UNIT HAVING ELECTRICAL CONTROLS AND AN ALARM OR SOUNDING ELEMENT, AND THERMOSTATS…
Owned by: MORSE SIGNAL DEVICES AND ALARM COMPANY
Serial Number: 71597970

DISCAP

DISCAP

Filed: May 23, 1950
CERAMIC CONDENSERS
Owned by: RADIO MATERIALS CORPORATION
Serial Number: 71597978

PROOF-METER

PROOF-METER

Filed: May 20, 1950
COMBINATION TACHOMETER AND HOUR METER FOR TRACTORS, MORE PARTICULARLY A METER DESIGNED TO RECORD ENGINE SPEED, GROUND SPEED…
Owned by: DEARBORN MOTORS CORPORATION
Serial Number: 71597817

COMAT

COMAT

Filed: May 19, 1950
PHOTOGRAPHIC LENSES
Owned by: BELL & HOWELL COMPANY
Serial Number: 71597731