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| All Patents in class 122/510 | |||||
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| Number | Date | Patentee | Title | Type | |
| 271,482 | Jan. 30, 1883 | W.J. Liddell | Method of setting steam-boilers | stationary boilers | |
| 696,240 | Mar. 25, 1902 | C. Holly | Steam Boiler | stationary boilers | |
| 939,368 | Nov. 09, 1909 | W. Withem | Boiler Bracket | stationary boilers | |