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| All Patents in class 417/17 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 644,852 | Mar. 06, 1900 | C. Eickemeyer | Electric pump | ||
 | 2,380,226 | Jul. 10, 1945 | J.R. Frantz | Automatic Compressor Regulator | |