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Patents for N. A. Acker
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
392,116Oct. 30, 1888R.B. GilchristCork-extractorbar corkscrews
644,675Mar. 06, 1900J.T. LudlowRope-tramway systemmaterial handling
D32,795Jun. 05, 1900J. SimondsDesign for a Member for Saw Handlessaw handles
840,418Jan. 01, 1907W.F. ArnoldPlane Frogplane frogs
879,175Feb. 18, 1908F.A. HuntingtonCrushing-millore processing apparatus
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