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All Patents of Type: hollow bits
Patents 1 - 15 of 110
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NumberDatePatenteeTitleType
5,212XAug. 29, 1828L.R. BumpCircular or cylindrical sawhollow bits
7,008XApr. 19, 1832D. FlintCutting plugs for ships by a centre point spring-bithollow bits
8,896XJun. 15, 1835W. JonesHollow Auger Bithollow bits
1,337Sep. 25, 1839C. WhitsittRotary Saw for Cutting Round Tenons, &c.hollow bits
1,895Dec. 10, 1840M. GreggMachine for cutting round tenons and for cutting or turning other articles of wood into a cylindrical formhollow bits
2,118Jun. 07, 1841S. CostillMachine for Turning Handles, Poles, &c.hollow bits
5,487Mar. 28, 1848D. GeorgeHollow augerhollow bits
12,864May 15, 1855T.J. KnappAdjustable tenoning toolhollow bits
XC-694Jan. 19, 1857B. WaitCylindrical saw auger, for boring wooden tubes for pumps, water courses, &c.hollow bits
17,816Jul. 14, 1857M. WeatheringtonImproved Method of Adjusting Round Tenon Cutters to Certain Fixed Sizeshollow bits
21,512Sep. 14, 1858J. McCrearyTenoning-machinehollow bits
23,381Mar. 29, 1859C. MeyerAdjustable Hollow Augerhollow bits
24,722Jul. 12, 1859W.A. ClarkImproved device for fastening cutters of hollow augershollow bits
24,773Jul. 12, 1859A. WyckoffPump-Log Hollow Augerhollow bits
25,289Aug. 30, 1859G.H. Burger, G. TaylorAuger for Cutting Round Tenonshollow bits
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