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Harvel Corp

Harvel Cor
Active Patents
0
Total Holdings
4

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2476696A Mineral oil composition Expired / Lapsed 1945-12-05 1949-07-19 0 Details
US2314701A Laminated product Expired / Lapsed 1938-11-15 1943-03-23 0 Details
US2240034A Ethers of cashew nut sheell liquid and process of making th… Expired / Lapsed 1937-05-19 1941-04-29 0 Details
US2165140A Compositions of matter and methods and steps of making and … Expired / Lapsed 1935-10-25 1939-07-04 0 Details