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| All Patents in class 110/270 | |||||
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| Number | Date | Patentee | Title | Type | |
| 755,611 | Mar. 29, 1904 | H.R. Bretney, E. Bretney | Mechanical stoker | locomotive coal feeding apparatus | |
| 824,331 | Jun. 26, 1906 | J.P. Barnes | Chain Grate | ||