| Patents for H. H. Young |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 8,923 | May 04, 1852 | J. McClintic | Differential safety-valve |
 | 10,130 | Oct. 18, 1853 | B. Frazee | Mode of operating mill-saws |
 | 20,258 | May 18, 1858 | L.A. Dole | Meat-chopper |
 | 21,483 | Sep. 14, 1858 | A.H. Burdine | Saw-filer |
 | 21,612 | Sep. 28, 1858 | D.S. McNamara | Improvement in Harvesters |
 | 22,167 | Nov. 30, 1858 | G. Cooper | Arrangement of cutters for turning hubs |
 | 23,081 | Mar. 01, 1859 | L.A. Dole | Washing-machine |
 | 24,869 | Jul. 26, 1859 | E.H. Hancock | Sawing-machine |
 | 166,020 | Jul. 27, 1875 | W.R. Baker, R.H. McCormick | Wrench |
