September 1939 Electrical and scientific apparatus Trademarks by day
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Electrical and scientific apparatus Trademarks filed in September 1939
CADWELD

CADWELD

Filed: September 26, 1939
CONNECTORS AND BONDS FOR ELECTRICALLY CONNECTING RAILWAY RAILS
Owned by: ERICO INTERNATIONAL CORPORATION
Serial Number: 71424001

VISICODE

VISICODE

Filed: September 15, 1939
SUPERVISORY CONTROL SYSTEM APPARATUS AND SWITCHBOARDS FOR ELECTRICAL APPARATUS
Owned by: WESTINGHOUSE ELECTRIC CORPORATION
Serial Number: 71423642