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All Patents in class D15/139
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
20,192May 11, 1858W.A. ClarkMethod of seating the movable cutter in expansive bitsadjustable drill bits
124,089Feb. 27, 1872H.S. ShepardsonImprovement in bitsdrill bits
155,333Sep. 22, 1874W.L. ParmeleeImprovement in expansion-bitsadjustable drill bits
D21,850Sep. 06, 1892J. RobertsDesign for a cutter-head hood for planerswood planers
879,309Feb. 18, 1908E. PastoreExpansible bitadjustable drill bits
1,004,572Oct. 03, 1911A.L. JenningsAuger-bitadjustable drill bits
1,461,376Jul. 10, 1923F.A. BartlettCutting burhandheld power tool accessories
D191,308Sep. 12, 1961E.M. KeySplitter knifetablesaw accessories
3,021,733Feb. 20, 1962S.A. CogsdillCutting Tool boring heads
3,518,737Jul. 07, 1970R.J. HoodCutting Toolinsert tool holders
D220,920Jun. 15, 1971B.L. CochranDouble End Cutting Insertlathe tools
4,074,737Feb. 21, 1978J.S. StewartWood planer cutterhead design for reduced noise levelcutterheads
D279,477Jul. 02, 1985M.B. MittlemanAdjustable Hole Cutter for Use fith Interchangeable Arborsdrill press accessories
D283,712May 06, 1986M.D. MittlemanAdjustable Hole Cutter Housingdrill press accessories
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