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Pennwalt Corp

Pennwalt C
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4424045A Rigid high speed flexible shaft casing assembly for tight r… Expired / Lapsed 1982-05-24 1984-01-03 10 Details
US3270070A Process for the production of hydro-fluoroaromatic compounds Expired / Lapsed 1964-09-01 1966-08-30 2 Details