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| All Patents in class 74/68 | |||||
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| Number | Date | Patentee | Title | Type | |
| 305,520 | Sep. 23, 1884 | G. Juengst | Shaping and planing machines | metal planers | |
| 511,924 | Jan. 02, 1894 | J. Barrett | Artesian-well apparatus | oil well pumps | |