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Patents for J. A. Hoisington
Patents 1 - 3 of 3
First set of recordsLast set of records
15,153Jun. 17, 1856J. TearMethod of operating cutters in their heads for irregular formscutterheads
16,105Nov. 18, 1856J.B. PomroyDevice for governing the parallel guiding of lumber-feeding rollersawmill carriages
16,339Jan. 06, 1857J.B. PomroyMethod of adjusting circular saws to any required dishcircular saws
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