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| Patents for Charles F. Perkins | |||||
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| Picture | Number | Date | Patentee | Title | |
| 307,739 | Nov. 11, 1884 | B.S. Atwood | Machine for matching boards | ||
 | GB-189,505,185 | Jul. 13, 1895 | A.K. Cross, C.F. Perkins, A.M. Swain | Improvements in Turbine Water-Wheels. | |