March 1940 Electrical and scientific apparatus Trademarks by day
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Electrical and scientific apparatus Trademarks filed in March 1940
ARGOFLEX

ARGOFLEX

Filed: March 28, 1940
Cameras[, and Cable Releases, Carrying Cases, Lens Filters, Lens Shades, Portrait Attachments, Copying Attachments, and…
Owned by: ARGUS, INCORPORATED
Serial Number: 71430080

GRAVINER

GRAVINER

Filed: March 16, 1940
Electric Switches (Ordinary) and Parts of Electric Switches Made of Ordinary Metal
Owned by: KIDDE GRAVINER LIMITED
Serial Number: 71429654

GRAVINER

GRAVINER

Filed: March 16, 1940
Portable Hand Fire Extinguishers, Installed Fire Extinguishing Systems for Aircraft, Etc., and Comprising Containers Connected…
Owned by: Graviner Limited
Serial Number: 71429655

MAGNETROL

MAGNETROL

Filed: March 11, 1940
Automatically Actuated Electric Switch Fluid Level Controls
Owned by: Magnetrol International, Incorporated
Serial Number: 71429458

MONOTYPE

MONOTYPE

Filed: March 7, 1940
Photographic Composing Machines, Vacuum Frames, Coating Machines for Applying Sensitized Solutions to Surfaces for Receiving…
Owned by: Monotype Corporation Limited, The
Serial Number: 71429310