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| All Patents in class 251/114 | |||||
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| Number | Date | Patentee | Title | Type | |
| 978,729 | Dec. 13, 1910 | J.B. Garber | Gravity valve-cage and valve for pumps | ||
| 1,628,818 | May 17, 1927 | E.R. Zademach | Washing machine | ||