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Research Products Corp

Research P
Active Patents
0
Total Holdings
4

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3102532A Solar heat collector media Expired / Lapsed 1961-03-27 1963-09-03 2 Details
US2637540A Gas-liquid contact apparatus Expired / Lapsed 1949-05-05 1953-05-05 0 Details
US2345844A Resilient mesh material Expired / Lapsed 1941-05-06 1944-04-04 0 Details
US2341097A Filter Expired / Lapsed 1942-12-14 1944-02-08 0 Details