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Patents for Anson P. Stephens
Patents 1 - 10 of 14
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PictureNumberDatePatenteeTitle
38,249Apr. 21, 1863A.P. StephensImprovement in locks for fire-arms
42,236Apr. 05, 1864A.P. StephensImprovement in vises
78,336May 26, 1868A.P. StephensImproved composite pipe
87,985Mar. 16, 1869A.P. StephensImproved rotary metal-cutter
96,282Oct. 26, 1869A.P. StephensImproved base for bench-vises
105,507Jul. 19, 1870A.P. StephensImprovement in vises
125,625Apr. 09, 1872A.P. StephensImprovement in vises
127,438Jun. 04, 1872A.P. StephensImprovement in the manufacture of cement pipes
141,091Jul. 22, 1873A.P. StephensImprovement in broaching-machines
149,263Mar. 31, 1874A.P. StephensImprovement in sheet-metal cement-lined pipes
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