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Farrel Birmingham Co Inc

Farrel Bir
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2736994A Method of and apparatus for grinding gears Expired / Lapsed 1954-03-15 1956-03-06 0 Details
US2380113A Flexible coupling Expired / Lapsed 1943-04-12 1945-07-10 0 Details