Electrical and scientific apparatus Trademarks Filed in February 5, 1948
AMPEREX
Filed: February 5, 1948
POWER TRANSMITTING TUBES, RECTIFIERS, AND CONDENSERS
Owned by: AMPEREX ELECTRONIC CORPORATION
Serial Number: 71548783
SILENT SENTINELS
Filed: February 5, 1948
RELAYS AND RELAYING SYSTEMS TO CONTROL CIRCUIT INTERRUPTERS IN RESPONSE TO AN ELECTRICAL QUANTITY OR QUANTITIES IN AN ELECTRICAL…
Owned by: ABB POWER T&D COMPANY INC.
Serial Number: 71548892
