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Reserve Holding Co
Reserve Ho
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US1810211A
Registering system
Expired / Lapsed
1928-11-12
1931-06-16
0
Details
US1772671A
Signaling system
Expired / Lapsed
1928-05-31
1930-08-12
0
Details