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Deming Co
Deming Co
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US2452874A
Pumping system
Expired / Lapsed
1945-10-24
1948-11-02
0
Details
US1160707A
Check-valve.
Expired / Lapsed
1915-01-08
1915-11-16
0
Details