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DOWNINGTOWN Manufacturing CO

DOWNINGTOW
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2285974A Pump structure Expired / Lapsed 1941-01-08 1942-06-09 0 Details
US2231579A Pump Expired / Lapsed 1938-01-31 1941-02-11 0 Details