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| Patents for David Williams | |||||
| Picture | Number | Date | Patentee | Title | |
| 29,673 | Aug. 21, 1860 | G. Danforth | Corn Sheller | ||
![]() | 300,194 | Jun. 10, 1884 | M.E. Beasley, E.M. Hugentobler | Barrel stave shaping machine | |