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Prosperity Co Inc

Prosperity
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2333000A Explosion prevention control for dry-cleaning machines Expired / Lapsed 1942-05-20 1943-10-26 0 Details
US2302923A Water level control for washing machines and the like Expired / Lapsed 1940-03-19 1942-11-24 0 Details
US1999439A Liquid or water level control Expired / Lapsed 1932-02-10 1935-04-30 0 Details