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Albert T Otto & Sons Inc

Albert T O
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2331959A Control mechanism for centrifugal machines Expired / Lapsed 1938-07-23 1943-10-19 0 Details
US2130424A Attachment plug Expired / Lapsed 1936-06-29 1938-09-20 0 Details