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Patents Granted on 1861-06-18
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
32,571Jun. 18, 1861G. LaneRulerrules
32,583Jun. 18, 1861C.T. PorterMarine governorsteam engine governors
FR-50,128Jun. 18, 1861H. GiffardEconomical very high pressure steam enginesteam engines
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