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Louis Marx and Co Inc

Louis Marx
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2277455A Dump car for toy railroads Expired / Lapsed 1939-07-08 1942-03-24 0 Details
US2233075A Spring motor Expired / Lapsed 1938-06-17 1941-02-25 0 Details