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Patents for Theodore G. Ellis
Patents 16 - 30 of 34
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NumberDatePatenteeTitleType
215,039May 06, 1879C.E. BillingsTap Wrenchtap wrenches and die stocks
216,766Jun. 24, 1879J.N. SkinnerImprovement in lathe-chucksmetal lathe chucks
224,119Feb. 03, 1880D.E. WhitonScroll-chuckmetal lathe chucks
231,607Aug. 24, 1880E.G. ParkhurstMachine-gunfirearms
241,236May 10, 1881F.A. PrattAdjustable levercranes
241,563May 17, 1881F.A. PrattMetal-planing machinemetal planers
243,806Jul. 05, 1881D. SlateDrill-chuckdrill chucks
248,587Oct. 25, 1881W. GrayDevice for Throwing Belts Onto or Off From Revolving Pulleysbelt shifters
255,039Mar. 14, 1882J.N. SkinnerLathe-chuckmetal lathe chucks
256,127Apr. 11, 1882A.S. CookWood-screw machinescrew machines
256,546Apr. 18, 1882A.S. CookWood-screw machinescrew machines
256,668Apr. 18, 1882F.N. GardnerCutter Holder for Latheslathe tool holders and tool posts
259,040Jun. 06, 1882E.G. ParkhurstAmmunition-box
261,901Aug. 01, 1882C.E. BillingsSurface Gagesurface gauges
262,878Aug. 15, 1882J.E. WoodbridgeMetal Turning Toollathe tools
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