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| All Patents in class 277/508 | |||||
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| Number | Title | Classification(s) | |||
| 5,357 | Piston-Rod Packing | 277/508, 277/533, 285/342 | |||
| RE254 | Piston-Rod Packing | 277/505, 277/508, 277/522 | |||
| RE255 | Improved Governor-valve for Steam-engines | 277/505, 277/508, 277/522 | |||