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All Patents of Type: screw starters
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
79,509Jun. 30, 1868N. SmithScrew holding screwdriverscrew starters
96,263Oct. 26, 1869J.C. PinnerScrew holding screwdriverscrewdriver blades
108,383Oct. 18, 1870A. NewtonScrew holding screwdriverscrewdriver blades
302,067Jul. 15, 1884A.D. WallenScrew holding screwdriverscrewdriver blades
303,003Aug. 05, 1884G.W. HaelScrew holding screwdriverscrewdriver blades
306,394Oct. 14, 1884G.W. HaelScrew holding screwdriverscrewdriver blades
382,670May 08, 1888J.C. TrovillionCombined Screw Hold, Screw Driver and Counter Sinkscrewdriver blades
896,731Aug. 25, 1908W.A. JohnstonScrew holding screwdriverscrewdriver blades
1,212,743Jan. 16, 1917J.W. CowellScrew Holding Devicescrewdriver blades
1,360,368Nov. 30, 1920G.N. CoburnScrew holding screwdriverscrewdriver blades
1,722,116Jul. 23, 1929S.E. SpoffordScrew holding screwdriverscrew starters
1,742,278Jan. 07, 1930A.J. ReidScrew holding screwdriverscrewdriver blades
1,781,470Nov. 11, 1930E. MuellerScrew holding screwdriverscrew starters
2,150,184Mar. 14, 1939G.F. PearsonScrew holding screwdriverscrew starters
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