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Harvel Corp
Harvel Cor
Active Patents
0
Total Holdings
3
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