| Patents for Charles H. Wilson |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 820,814 | May 15, 1906 | J.P. McGinnity, E.H. Winkler | Combination-tool |
 | 1,103,640 | Jul. 14, 1914 | C.H. Wilson | Thermo-electric pyrometer |
| | 1,133,597 | Mar. 30, 1915 | C.H. Wilson | Recording instrument |
| | 1,411,396 | Apr. 04, 1922 | C.J. Brown, C.H. Wilson | Electrical-resistance thermometer |
 | 1,571,310 | Feb. 02, 1926 | C.H. Wilson | Penetrator for testing penetration hardness |
| | 1,690,517 | Nov. 06, 1928 | C.J. Brown, C.H. Wilson | Electrical controller and recorder |
| | 1,762,497 | Jun. 10, 1930 | C.H. Wilson | Automatic hardness tester |
| | 1,762,498 | Jun. 10, 1930 | C.H. Wilson | Hardness-testing method and apparatus |
 | 1,885,972 | Nov. 01, 1932 | C.H. Wilson | Hardness testing gauge |
 | 1,890,923 | Dec. 13, 1932 | C.H. Wilson | Test piece support for hardness testers |
