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All Patents in class 408/227
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
8,752XApr. 08, 1835N.J. LampmanWood augerdrill bits
25,990Nov. 01, 1859S. WoodAugerauger bits
85,021Dec. 15, 1868C. MurdockImprovement in cylindrical sawsaw teeth
1,283,740Nov. 05, 1918C.B. GroffDrill
1,884,460Oct. 25, 1932J.H. WilliamsFacing Tool
2,196,701Apr. 09, 1940C.S. HomsherElectrician's Conduit Wrenchwrench combination tools
2,794,468Jun. 04, 1957R.W. HuxtableWoodcutting bit assemblydrill bits
6,253,812Jul. 03, 2001T. RinehartWood Turning Tooldrill bits
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