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American Aggregate 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
US2430601A Method for treating argillaceous material Expired / Lapsed 1941-12-08 1947-11-11 0 Details
US1707395A Method of burning argillaceous material and product resulti… Expired / Lapsed 1920-02-10 1929-04-02 0 Details