March 1941 Electrical and scientific apparatus Trademarks by day
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Electrical and scientific apparatus Trademarks filed in March 1941
GROVE

GROVE

Filed: March 25, 1941
Pressure Controllers and Automatic Valves
Owned by: Grove Valve and Regulator Company
Serial Number: 71441911

M S A

M S A

Filed: March 22, 1941
[ Dust, Fume and Mist Sampling Apparatus, Dust Counting Apparatus, ] Apparatus for Indicating Gas Concentrations, Apparatus…
Owned by: MSA Technology, LLC
Serial Number: 71441830

SOUND CELL

SOUND CELL

Filed: March 20, 1941
MICROPHONES
Owned by: BRUSH DEVELOPMENT COMPANY, THE
Serial Number: 71441723

GOLD STANDARD

GOLD STANDARD

Filed: March 20, 1941
STORAGE BATTERIES
Owned by: PERRINE QUALITY PRODUCTS CORPORATION
Serial Number: 71441745

W

W

Filed: March 20, 1941
Electric Switches, Electric Fuse Boxes and Combined Switch and Fuse Block Structures, Electric Wiring Troughs,[ Electric…
Owned by: WADSWORTH ELECTRIC MFG. CO., INC. (CORP. OF KENTUCKY), THE
Serial Number: 71441753

SUNBEAM

SUNBEAM

Filed: March 19, 1941
Electrical Appliances Comprising Electric Flatirons (Group A); [ Electric Toaster Grills, Electric Toaster and Table Stoves…
Owned by: SUNBEAM PRODUCTS, INC.
Serial Number: 71441695

DEAN

DEAN

Filed: March 10, 1941
Measuring Tapes
Owned by: Howard Wall Limited
Serial Number: 71441422

FILTERWELD

FILTERWELD

Filed: March 7, 1941
Helmets, Hand Shields, Protection Goggles and Parts Therefor, Glass Plates and Lenses for Reducing Glare Insertable in the…
Owned by: American Optical Corporation
Serial Number: 71441297

MICROSIZE

MICROSIZE

Filed: March 7, 1941
Size Control Device for Determining Radial Operation of the Tool of the Honing Machine
Owned by: Ex-Cell-O Corporation
Serial Number: 71441320

HEALTH-O-METER

HEALTH-O-METER

Filed: March 5, 1941
Weighing Scales
Owned by: SUNBEAM PRODUCTS, INC.
Serial Number: 71441234