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DIAMOND STATE FIBRE Co

DIAMOND ST
Active Patents
0
Total Holdings
5

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US1697077A Process of treating fibrous material Expired / Lapsed 1926-01-30 1929-01-01 0 Details
US1661953A Inductive reactor Expired / Lapsed 1925-06-13 1928-03-06 0 Details
US1609222A Insulated conducting element Expired / Lapsed 1921-10-28 1926-11-30 0 Details
US1441133A Process of making laminated fiber products Expired / Lapsed 1921-12-21 1923-01-02 0 Details
US1236460A Waterproof material and process of making same. Expired / Lapsed 1917-07-05 1917-08-14 0 Details