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| All Patents in class D23/231 | |||||
| Number | Date | Patentee | Title | Type | |
| D4,922 | May 23, 1871 | H.L. Fry | Design for chain-pumps | ||
| D4,945 | May 30, 1871 | H.L. Fry | Design for a chain-pump | ||
| D8,396 | Jun. 15, 1875 | H.L. Fry | Design for a chain-pump curb | ||
| D8,397 | Jun. 15, 1875 | H.L. Fry | Design for a chain-pump curb | ||
| 1,078,320 | Nov. 11, 1913 | J.M. Stratton | Pump | ||