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Societe Genevoise dInstruments de Physique

Societe Ge
Active Patents
0
Total Holdings
8

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3346848A Displacement control system Expired / Lapsed 1965-06-25 1967-10-10 2 Details
US2998560A Machine-tool control servosystem Expired / Lapsed 1960-02-24 1961-08-29 0 Details
US2848921A Apparatus for measuring very little lengths Expired / Lapsed 1953-05-11 1958-08-26 0 Details
US2717522A Play compensating device for the gear wheels of a kinematic… Expired / Lapsed 1952-12-30 1955-09-13 0 Details
US2448718A Method of and device for producing pulses at the maximum or… Expired / Lapsed 1943-12-21 1948-09-07 0 Details
US2406299A Machine tool with photoelectric positioning of the work tab… Expired / Lapsed 1942-02-11 1946-08-20 0 Details
US2375665A Electric device for signaling the position of a movable mark Expired / Lapsed 1942-09-24 1945-05-08 0 Details
US2311142A Precision machine tool Expired / Lapsed 1942-02-11 1943-02-16 0 Details