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| Patents for James C. Williams | |||||
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| Number | Date | Patentee | Title | Type | |
| 355,237 | Dec. 28, 1886 | J.C. Williams | Lathe Chuck | metal lathe chucks | |
| 434,898 | Aug. 19, 1890 | J.C. Williams | Machine for Cutting Threads on Bolts | metal threading machines | |
| 3,726,161 | Apr. 10, 1973 | J.C. Williams, L.D. Gobel, K.T. Purdy | Mechanically Driven Ratchet Wrench | ratchet wrenches | |