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Patents for J. R. Drake
Patents 16 - 21 of 21
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
296,721Apr. 15, 1884B.F. BennettSelf Adjusting Fulcrum Lever Wrenchself-adjust wrenches
311,422Jan. 27, 1885W. DunbarEdgercircular crosscut saws
323,776Aug. 04, 1885B.F. BennettAutomatic Self-Setting Wrenchquick adjust wrenches
344,469Jun. 29, 1886W.H. WilsonSaw Gagehandsaw depth gages
404,267May 28, 1889W. DunbarLumber-trimmercircular crosscut saws
450,707Apr. 21, 1891B.F. BennettWrenchquick adjust wrenches
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