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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