Patents for John G. Crocker


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Patents for John G. Crocker
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
78,908	Jun. 16, 1868	C.O. Yale	Corn Husker	corn huskers
89,674	May 04, 1869	T.W. Mahler	Improved Gate for Water Wheels	turbine water wheels