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Telefonaktiebolaget LM Ericsson AB

Telefonakt
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2725474A Oscillation circuit with superconductor Expired / Lapsed 1950-08-04 1955-11-29 0 Details
US2666884A Rectifier and converter using superconduction Expired / Lapsed 1950-08-04 1954-01-19 0 Details
US2583848A Switching device for the setting of crossbar switches by me… Expired / Lapsed 1947-05-23 1952-01-29 0 Details