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| Patents for William E. Ripley | |||||
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| Number | Date | Patentee | Title | Type | |
| 156,840 | Nov. 17, 1874 | S. Darling | Inkstands | draftsman | |
| RE6,443 | May 25, 1875 | S. Darling | Improvment in Inkstands | draftsman | |
| 164,721 | Jun. 22, 1875 | S. Darling | inkstand | draftsman | |