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FANSTEEL PROD CO Inc

FANSTEEL P
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US1808498A Electrolytic filter condenser Expired / Lapsed 1928-03-22 1931-06-02 0 Details
US1688481A Apparatus for processing wire Expired / Lapsed 1927-09-26 1928-10-23 0 Details