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Patents for T. W. Porter
Patents 1 - 15 of 16
First set of recordsNext set of recordsLast set of records
30,009Sep. 11, 1860J.W. StrangeSpring Dividerscalipers
52,188Jan. 23, 1866J. MuttyImprovement in feed-rollers to circular sawstablesaw accessories
101,903Apr. 12, 1870J.I. MunroeImprovement in bung-cuttercutters
103,925Jun. 07, 1870H.K. PorterImprovement in saw-setsaw sets
104,995Jul. 05, 1870H.K. PorterLathe Centermetal lathe accessories
144,187Nov. 04, 1873A. BurnhamImprovement in machines for cutting the heads of fence-picketsstick pointing machines
236,695Jan. 18, 1881H.K. PorterBolt-cutter
271,595Feb. 06, 1883S.A. BostwickPipe Wrenchpipe wrenches
290,137Dec. 11, 1883E.W. StrangeSet-works for saw-millssawmill set works
292,422Jan. 22, 1884J.B. EmeryCutter-headcutterheads
295,490Mar. 18, 1884J.B. EmeryRotary cuttercutterheads
324,378Aug. 18, 1885J.T. HaydenPipe Wrenchchain and strap wrenches
326,342Sep. 15, 1885J.C. SmithAdjustable Concentric Channeleradjustable drill bits
331,812Dec. 08, 1885J. NorrisCushioned Nippers and Pliers For Glass Cutters' Usepliers
361,218Apr. 12, 1887J.M. Foster, B.F. KentRotary kerf-spreaderwoodworking machine safety guards
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