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Patents for Ephraim Brown
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
163,296May 18, 1875E. BrownImprovement in Buhl-saws
172,910Feb. 01, 1876E. BrownImprovement in wheels or pulleys
174,894Mar. 21, 1876E. BrownImprovement in scroll-sawing machines
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