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AO Smith Corp

AO Smith C
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2535917A Propeller blade with a tubular backbone Expired / Lapsed 1945-08-04 1950-12-26 0 Details
US2457889A Wide propeller blade manufacture Expired / Lapsed 1943-10-23 1949-01-04 0 Details
US2406947A Centrifugal pump Expired / Lapsed 1944-08-30 1946-09-03 0 Details