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| Patents for John S. Williams | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,252X | Nov. 17, 1830 | J.S. Williams | Mode of supplying water for boilers for steam engines | stationary boilers | |
| 7,656X | Jun. 29, 1833 | J.S. Williams | Making roads | ||
| 9,856X | Jul. 01, 1836 | J.S. Williams | Road making | ||
| 81,967 | Sep. 08, 1868 | J.S. Williams | Improvement in double ratchet-lever power | woodworking machine mechanisms | |
| CA-52,759 | Jun. 25, 1896 | J.S. Williams | Wire Crimping and Fastening Pliers | fencing tools | |