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Denison Engineering Co

Denison En
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2619121A Solenoid operated valve Expired / Lapsed 1947-10-01 1952-11-25 0 Details
US2464283A Hydraulic apparatus Expired / Lapsed 1944-07-19 1949-03-15 0 Details