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| All Patents in class 122/360 | |||||
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| Number | Date | Patentee | Title | Type | |
| 381,870 | Apr. 24, 1888 | A. Worthington | Boiler | stationary boilers | |
| 696,240 | Mar. 25, 1902 | C. Holly | Steam Boiler | stationary boilers | |
| 1,408,244 | Feb. 28, 1922 | J.F. Baker | Boiler | stationary boilers | |