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| Patents for George W. Williams | |||||
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| Number | Date | Patentee | Title | Type | |
| 122,344 | Jan. 02, 1872 | G.W. Williams | Excavator | excavators | |
| 258,798 | May 30, 1882 | B.B. Noyes | Clamp for carriage-tops | coaches and carriages | |