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CONTINENTAL SCREW Co

CONTINENTA
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2226491A Self-locking screw, bolt, nut, or the like Expired / Lapsed 1939-08-10 1940-12-24 0 Details
US2140449A Screw with socketed head and plurality of slots Expired / Lapsed 1937-02-10 1938-12-13 0 Details