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| Patents for Henry B. Williams | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,029X | Jun. 11, 1830 | H.B. Williams | Gasometer | gas meters | |
| 275,106 | Apr. 03, 1883 | H.B. Williams | Pipe Wrench | pipe wrenches | |
| CA-17,940 | Oct. 23, 1883 | H.B. Williams | Pipe Wrench | pipe wrenches | |
| 407,756 | Jul. 23, 1889 | H.B. Williams | Flexible Rule | flexible rules | |