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Patents for James Cooper
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,146XDec. 14, 1819J. CooperArchimedean screw
3,712XJun. 17, 1823J. CooperWheel to prevent ropes or chains from slipping
4,367XMar. 22, 1826J. CooperMachinery to supersede use of cog wheels
4,452XMay 31, 1826T. Barnett, J. CooperMachine for finishing and ironing hatsmilliner
5,911XApr. 12, 1830J. CooperPropelling machinery by animal poweranimal powered apparatus
5,912XApr. 12, 1830J. CooperThrashing machinethreshers
6,237XNov. 11, 1830J. CooperMachine for cutting crackers, biscuits, etc.cracker and biscuit machines
9,415XFeb. 20, 1836J. CooperThrashing machinemiller
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