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Allegheny Ludlum Corp

Allegheny
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3649893A Synchronized driver for electrical utilization devices Expired / Lapsed 1970-08-11 1972-03-14 11 Details
US2018085A Method of making flat expanded grilles Expired / Lapsed 1934-05-29 1935-10-22 0 Details