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| All Patents in class 277/510 | |||||
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| Number | Date | Patentee | Title | Type | |
| 213,301 | Mar. 18, 1879 | L. Saylor | Piston-Rod Packing | steam engine packing | |
| 580,090 | Apr. 06, 1897 | J.G. Lewis | Gas or Gasolene Engine | cylinders | |