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| All Patents in class 277/533 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,357 | Nov. 06, 1847 | C.W. Noyes, T.W. Allen | Piston-Rod Packing | piston ring and packing | |
| 407,533 | Jul. 23, 1889 | F.G. Kellogg | Piston Rod Packing | piston ring and packing | |