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Donaldson Co Inc

Donaldson
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4650506A Multi-layered microfiltration medium Expired / Lapsed 1986-02-25 1987-03-17 24 Details
US4265762A Filter assembly for use in the filtration of medical treatm… Expired / Lapsed 1978-11-24 1981-05-05 9 Details
US2684069A Precision linear-fracture instrument for heart valve surgery Expired / Lapsed 1952-07-05 1954-07-20 0 Details