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Allison Co

Allison Co
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2334526A Abrasive article and method of making same Expired / Lapsed 1942-05-18 1943-11-16 0 Details
US2229880A Abrasive article and method of making same Expired / Lapsed 1940-01-25 1941-01-28 0 Details