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POWERS ACCOUNTING MACHINE Co

POWERS ACC
Active Patents
0
Total Holdings
4

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US1376556A Electrically-controlled sorting-machine Expired / Lapsed 1919-06-10 1921-05-03 0 Details
US1302616A Automatic tabulating-machine. Expired / Lapsed 1915-05-19 1919-05-06 0 Details
US1271614A Cobined type-writer and perforating machine. Expired / Lapsed 1914-10-31 1918-07-09 0 Details
US1138314A Perforating-machine. Expired / Lapsed 1913-05-24 1915-05-04 0 Details