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Patents for Anson P. Stephens
Patents 1 - 8 of 8
First set of recordsLast set of records
38,249Apr. 21, 1863A.P. StephensImprovement in locks for fire-armsfirearms
42,236Apr. 05, 1864A.P. StephensImprovement in visesbench vises
78,336May 26, 1868A.P. StephensImproved composite pipe
87,985Mar. 16, 1869A.P. StephensImproved rotary metal-cuttercutters
96,282Oct. 26, 1869A.P. StephensImproved base for bench-visesbench vises
105,507Jul. 19, 1870A.P. StephensImprovement in visesbench vises
125,625Apr. 09, 1872A.P. StephensImprovement in visesbench vises
141,091Jul. 22, 1873A.P. StephensImprovement in broaching-machinestool making machines
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