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J A ZURN MANUFACTURING Co
J A ZURN M
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US2580199A
Nonfreezing hydrant
Expired / Lapsed
1947-04-04
1951-12-25
0
Details
US2282532A
Back water valve
Expired / Lapsed
1940-06-13
1942-05-12
0
Details