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| Patents for Nathan H. Whitten | |||||
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| Number | Date | Patentee | Title | Type | |
| 162,260 | Apr. 20, 1875 | N.H. Whitten | Improvement in operating paper-calendering rolls | ||
| 184,054 | Nov. 07, 1876 | N.H. Whitten | Improvement in paper-calendering machines | manufacturing paper | |