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DE VRY Corp

DE VRY Cor
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2420444A Intermittent mechanism Expired / Lapsed 1944-08-29 1947-05-13 0 Details
US2332509A Star wheel Expired / Lapsed 1940-06-10 1943-10-26 0 Details