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IOWA COOPERATIVE ASS
IOWA COOPE
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US2869544A
Injector
Expired / Lapsed
1957-10-30
1959-01-20
0
Details
US2869543A
Injector
Expired / Lapsed
1957-08-23
1959-01-20
0
Details