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MICHIGAN PATENTS Corp
MICHIGAN P
Active Patents
0
Total Holdings
4
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US2371971A
Hose connector
Expired / Lapsed
1943-04-26
1945-03-20
0
Details
US2311239A
Self-sealing coupling
Expired / Lapsed
1941-01-06
1943-02-16
0
Details
US2255593A
Tube coupling
Expired / Lapsed
1940-01-18
1941-09-09
0
Details
US2219266A
Hose and pipe coupling
Expired / Lapsed
1939-11-09
1940-10-22
0
Details