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Patents for James B. Erwin
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
245,301Aug. 09, 1881F. MannCork-extractornon worm cork extractors
251,349Dec. 27, 1881F. ChichesterDovetail tonguing and grooving machinedovetailing machines
394,710Dec. 18, 1888S.F. MooreCarving-machinecarving machines
693,353Feb. 11, 1902J.B. ErwinCan Holderjar wrenches
700,752May 27, 1902J.B. ErwinCover Wrenchjar wrenches
741,370Oct. 13, 1903J.G. PetersonFlour-bolting brushmiller
742,238Oct. 27, 1903A. RoeschJar Holderjar wrenches
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