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White Metal Rolling and Stamping Corp

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Active Patents
0
Total Holdings
4

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3948352A Extension ladder with ladder leveler means Expired / Lapsed 1975-07-15 1976-04-06 9 Details
US3005513A Stepladders and structural components thereof Expired / Lapsed 1959-03-25 1961-10-24 0 Details
US2936849A Ladder levelers Expired / Lapsed 1957-08-13 1960-05-17 0 Details
US2899008A Multi-way ladder Expired / Lapsed 1955-09-21 1959-08-11 0 Details