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| Patents for William P. Valentine | |||||
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| Number | Date | Patentee | Title | Type | |
| 23,327 | Mar. 22, 1859 | W.P. Valentine | Shingle-machine | shingle machines | |
| RE2,107 | Nov. 14, 1865 | W.P. Valentine | Shingle machine | shingle machines | |
| 168,541 | Oct. 05, 1875 | W.P. Valentine | Improvement in shingle-machines | shingle machines | |