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All Patents of Type: portable timber borers
Patents 1 - 15 of 21
First set of recordsNext set of recordsLast set of records
43,364Jun. 28, 1864J. EdgecombImprovement in boring-machinesportable timber borers
72,114Dec. 10, 1867G.C. TaftImprovement in variable crank for boring-machinesportable timber borers
RE3,760Dec. 14, 1869G.C. TaftVariable crank for boring machineportable timber borers
142,296Aug. 26, 1873J. StricklerImprovement in boring-machinesportable timber borers
187,388Feb. 13, 1877B.F. JoslynImprovement in wood-boring machinesportable timber borers
206,091Jul. 16, 1878H.C. CloydImprovement in boring-machinesportable timber borers
246,840Sep. 06, 1881J.M. TrackwellWood-boring machineportable timber borers
248,508Oct. 18, 1881N. SaundersBoring-machineportable timber borers
256,337Apr. 11, 1882W.E. LawrenceWood-boring machineportable timber borers
288,403Nov. 13, 1883H.T. BowenBoring-machineportable timber borers
342,688May 25, 1886J. ErnstBoring-machineportable timber borers
354,073Dec. 07, 1886J. SwanBoring-machineportable timber borers
374,363Dec. 06, 1887H. IhsenWood-boring machineportable timber borers
375,223Dec. 20, 1887G. SwanWood-boring machineportable timber borers
450,338Apr. 14, 1891C. ReedBoring and mortising implementportable timber mortisers
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