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BA Ballou and Co Inc

BA Ballou
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2838722A Semiconductor device Expired / Lapsed 1957-06-04 1958-06-10 0 Details
US2493940A Solder carrier finding Expired / Lapsed 1944-06-21 1950-01-10 0 Details
US2019691A Clasp Expired / Lapsed 1933-06-16 1935-11-05 0 Details