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| Patents for Charles A. Williams | |||||
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| Number | Date | Patentee | Title | Type | |
| 176,255 | Apr. 18, 1876 | J.F. Williams, C.A. Williams | Machines for Forming Sockets on Hammers and Other Tools | hammers | |
| 547,053 | Oct. 01, 1895 | C.A. Williams | Ratchet-drill (engineer's) | ||