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| Patents for H. C. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 32,913 | Jul. 23, 1861 | B. Haworth | Woodworker's Leg Vise | leg vises | |
| 646,137 | Mar. 27, 1900 | J.E. Spatz | Combined Saw and Adjustable Square | ||
| D35,446 | Dec. 17, 1901 | J.L. Clements | Design For A Hand Tool | firehose and hydrant wrenches | |
| 721,694 | Mar. 03, 1903 | H.V. Green | Combination Level and Plumb | levels | |