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| Patents for Joseph W. Thompson | |||||
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| Picture | Number | Date | Patentee | Title | |
| 162,714 | Apr. 27, 1875 | J.W. Thompson | Balanced and Cut-Off Valve | ||
 | 167,364 | Aug. 31, 1875 | J.W. Thompson | Indicator for Steam Engines | |
| RE8,434 | Sep. 24, 1878 | J.W. Thompson | Improvement in Balanced and Cut-Off Valves | ||
 | 244,094 | Jul. 12, 1881 | J.W. Thompson | Cylinder for steam-engine indicators | |
| 314,353 | Mar. 24, 1885 | J.W. Thompson | Steam Engine Governor | ||
| 886,021 | Apr. 28, 1908 | J.W. Thompson | Engine Indicator | ||