| Patents for Charles H. Wilson |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 820,814 | May 15, 1906 | J.P. McGinnity, E.H. Winkler | Combination-tool | brace wrenches |
| 1,103,640 | Jul. 14, 1914 | C.H. Wilson | Thermo-electric pyrometer | industrial furnaces |
| 1,133,597 | Mar. 30, 1915 | C.H. Wilson | Recording instrument | industrial furnaces |
| 1,411,396 | Apr. 04, 1922 | C.J. Brown, C.H. Wilson | Electrical-resistance thermometer | industrial furnaces |
| 1,571,310 | Feb. 02, 1926 | C.H. Wilson | Penetrator for testing penetration hardness | metal hardness testers |
| 1,690,517 | Nov. 06, 1928 | C.J. Brown, C.H. Wilson | Electrical controller and recorder | industrial furnaces |
| 1,762,497 | Jun. 10, 1930 | C.H. Wilson | Automatic hardness tester | metal hardness testers |
| 1,762,498 | Jun. 10, 1930 | C.H. Wilson | Hardness-testing method and apparatus | 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 |
