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Patents for William Nelson
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  5,274XNov. 13, 1828W. NelsonSpiral (spinal?) curvilinear compressor
1,213,340Jan. 23, 1917F.M. DavisGas-engine
1,287,254Dec. 10, 1918F.M. Davis, A.C. HoehBearing
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