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Friden Calculating Machine Co Inc

Friden Cal
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2728521A Apparatus for typing symbols from a register Expired / Lapsed 1952-04-11 1955-12-27 0 Details
US2311354A Calculating machine Expired / Lapsed 1939-01-16 1943-02-16 0 Details
US2279455A Calculating machine Expired / Lapsed 1937-06-02 1942-04-14 0 Details