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AMERICAN ABRASIVE METALS Co

AMERICAN A
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2317963A Reinforced tread Expired / Lapsed 1941-03-31 1943-04-27 0 Details
US2246898A Nonslip wear-resistant tread Expired / Lapsed 1938-04-16 1941-06-24 0 Details