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All Patents in class 408/201
Patents 1 - 10 of 10
First set of recordsLast set of records
55,144May 29, 1866H.T. MoodyCountersink for Boltscountersinks
63,822Apr. 16, 1867E. YoungImprovement in Wood Reamerstapered reamers
95,379Sep. 28, 1869T.M. RichardsonAuger with Detachable Tipauger bits
413,316Oct. 22, 1889W.J. DobsonCounterbore Auger Attachmentdrill accessories
548,385Oct. 22, 1895F.W. NelsonAuger Bit with Detachable Tipauger bits
808,245Dec. 26, 1905J. LundWood-Boring Implementauger bits
1,261,348Apr. 02, 1918V. BoitoutCircular Dado and Molding Plane
2,226,226Dec. 24, 1940O.C. HedinRemovable pilot for counterbore or reamermetalworking countersinks
2,308,055Jan. 12, 1943S.A. CogsdillAdjustable countersink structuremetalworking countersinks
4,720,219Jan. 19, 1988F.N. Rabo, S.J. MasonekReboring Tool
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