| Patents for Wilson-Maeulen Co., Inc. |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 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 |
| 1,690,517 | 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 |
