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Compagnie des Machines Bull SA

Compagnie
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2712898A Arrangement for analysis and comparison of recordings Expired / Lapsed 1951-07-16 1955-07-12 0 Details
FR1035312A Addition and subtraction operator device for electric calcu… Expired / Lapsed 1951-04-11 1953-08-21 0 Details
US2586963A Cathode-ray tube analyzing and recording apparatus Expired / Lapsed 1949-05-17 1952-02-26 0 Details