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| All Patents in class 122/336 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 604,509 | May 24, 1898 | W.J. Wickes, L. Baker | Upright water-tube boiler | ||
| 672,425 | Apr. 16, 1901 | W.C. Temple | Steam Boiler | ||
| 672,426 | Apr. 16, 1901 | W.C. Temple | Steam Boiler | ||
 | 696,240 | Mar. 25, 1902 | C. Holly | Steam Boiler | |
| 733,781 | Jul. 14, 1903 | D.M. Webster | Steam Boiler | ||
| 742,930 | Nov. 03, 1903 | W.C. Temple | Water Tube Boiler | ||
| 742,931 | Nov. 03, 1903 | W.C. Temple | Steam Boiler | ||
 | 742,938 | Nov. 03, 1903 | D.M. Webster | Steam Boiler | |