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Government of Netherlands

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18

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3351906A Reading-device for an information bearer Expired / Lapsed 1962-09-26 1967-11-07 2 Details
US3312937A Line telegraph system with error correction Expired / Lapsed 1962-12-13 1967-04-04 2 Details
US3310741A System for alternately transmitting coded messages on a pre… Expired / Lapsed 1965-07-21 1967-03-21 2 Details
US3154638A Telegraph system with protection against errors and correct… Expired / Lapsed 1961-06-07 1964-10-27 2 Details
US3001018A Type printing telegraph system Expired / Lapsed 1958-11-14 1961-09-19 0 Details
US2995626A Frequency signal telecommunication system Expired / Lapsed 1956-07-25 1961-08-08 0 Details
US2833863A Recoding equipment in an automatic communication system Expired / Lapsed 1954-01-11 1958-05-06 0 Details
US2813929A Automatic signalling system Expired / Lapsed 1952-10-24 1957-11-19 0 Details
US2805278A Telegraph system Expired / Lapsed 1951-10-15 1957-09-03 0 Details
US2767315A Random digit generator Expired / Lapsed 1951-12-10 1956-10-16 0 Details
US2750548A Electronically controlled synchronous electromotor Expired / Lapsed 1953-03-02 1956-06-12 0 Details
US2741665A Control of an automatic signalling system Expired / Lapsed 1952-11-12 1956-04-10 0 Details
US2741663A Automatic switching system Expired / Lapsed 1951-06-07 1956-04-10 0 Details
US2715724A Converter for linear and binary codes Expired / Lapsed 1951-10-29 1955-08-16 0 Details
US2706215A Mnemonic system for telegraph systems and like apparatus Expired / Lapsed 1950-03-24 1955-04-12 0 Details
US2622148A Error detector for telegraph printer codes Expired / Lapsed 1949-03-15 1952-12-16 0 Details
US2603705A Code converter Expired / Lapsed 1946-06-14 1952-07-15 0 Details
US2279353A Telegraph system Expired / Lapsed 1938-09-24 1942-04-14 0 Details