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Allegheny Ludlum Steel Corp

Allegheny
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3432288A Process control of top-blown oxygen converter Expired / Lapsed 1966-06-29 1969-03-11 0 Details
US2810643A Titanium base alloys Expired / Lapsed 1953-08-13 1957-10-22 2 Details