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Youngstown Sheet and Tube Co

Youngstown
Active Patents
0
Total Holdings
5

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3493025A Attachment device for apertured structural members Expired / Lapsed 1968-04-01 1970-02-03 0 Details
US3255975A Moisture content control apparatus for continuously produce… Expired / Lapsed 1963-04-24 1966-06-14 2 Details
US2348714A Apparatus for coating pipe Expired / Lapsed 1942-04-29 1944-05-16 0 Details
US2343225A Method of applying protective coatings for metal Expired / Lapsed 1940-01-18 1944-02-29 0 Details
US1987458A Induction heater Expired / Lapsed 1928-11-16 1935-01-08 0 Details