| Patents for Walter Donaldson |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 286,653 | Oct. 16, 1883 | H.A. Thompson | Wrench | screw adjust wrenches |
| 389,400 | Sep. 11, 1888 | E.C. Mead | Wrench | screw adjust wrenches |
| 459,629 | Sep. 15, 1891 | W.R. Fox | Shaping Machine | metal shapers |
| 468,601 | Feb. 09, 1892 | G.W. Gorsuch | Pipe Wrench and Cutter | pipe wrenches |
| 549,575 | Nov. 12, 1895 | A.D. Lytle, A.D. Lynn | Planer | wood planers |
| 554,136 | Feb. 04, 1896 | P.A. Myers | Sling for Hay Carriers | hay or straw carriers |
| 571,012 | Nov. 10, 1896 | C. Neracher | Sprinkler | |
| 748,199 | Dec. 29, 1903 | A. Mason | Matching-Plane | match planes |