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| All Patents in class 417/551 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,954X | Jul. 07, 1835 | A. Miner | Pumps | pumps | |
| 471,411 | Mar. 22, 1892 | A.F. Abrahamson | Reciprocating Pump | reciprocating pumps | |