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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