| Patents for Charles H. Wilson |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 820,814 | May 15, 1906 | J.P. McGinnity, E.H. Winkler | Combination-tool | brace wrenches |
| 1,571,310 | Feb. 02, 1926 | C.H. Wilson | Penetrator for testing penetration hardness | metal hardness testers |
| 1,885,972 | Nov. 01, 1932 | C.H. Wilson | Hardness testing gauge | metal hardness testers |
| 1,890,923 | Dec. 13, 1932 | C.H. Wilson | Test piece support for hardness testers | metal hardness testers |
| CA-336,012 | Sep. 26, 1933 | C.H. Wilson | Hardness tester | metal hardness testers |
| CA-395,516 | Mar. 25, 1941 | C.H. Wilson | Hardness testing device | metal hardness testers |
| 2,361,441 | Oct. 31, 1944 | C.H. Wilson | Hardness testing indenter | metal hardness testers |
