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Patents 1291 - 1305 of 3298
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NumberDatePatenteeTitleType
1,854,513Apr. 19, 1932L.A. HummelReversible Ratchet Wrenchratchet wrenches
1,855,461Apr. 26, 1932A.H. Yordi, C. TennysonValve Spring Compressorvalve spring tools
1,858,418May 17, 1932C.A. RowleyToolcrimping tools
1,858,491May 17, 1932K.F. GallimoreBoring Machinehorizontal boring mills
1,859,600May 24, 1932J.H. PrettymanFriction Clutch Mechanismratchet wrenches
DE-551,303May 30, 1932n. listedCenterless Grinding Machinecenterless grinders
1,861,168May 31, 1932W. Warren, J.H. Warren, E.C. WarrenRotary Enginerotary steam engines
1,862,146Jun. 07, 1932W.E. HokeScrew Thread Gaugethread gages
1,862,431Jun. 07, 1932W.A. RockenfieldHelve Operated Hammer
1,862,792Jun. 14, 1932M.C. Dellinger, H.W. KulpValve Spring Liftervalve spring tools
1,862,793Jun. 14, 1932M.C. Dellinger, H.W. KulpValve Spring Liftervalve spring tools
1,862,817Jun. 14, 1932J. EifelWrenchpliers type wrenches
1,863,466Jun. 14, 1932G.A. CarlsonLoop Forming Needleweaver
1,863,673Jun. 21, 1932A. SchravenIndicator Jaw Gaugemeasurement gauges
1,864,466Jun. 21, 1932J.M. PetersonTool Holdertool holders
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