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March Manufacturing Co
March Manu
Active Patents
0
Total Holdings
3
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US4080112A
Magnetically-coupled pump
Expired / Lapsed
1976-02-03
1978-03-21
12
Details
US3802804A
Magnetically coupled pump structure
Expired / Lapsed
1967-07-21
1974-04-09
5
Details
US3205827A
Magnetically driven centrifugal pump assembly
Expired / Lapsed
1964-04-28
1965-09-14
2
Details