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| Patents for Howard S. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 975,609 | Nov. 15, 1910 | J.H. Ferguson | Wrench | screw adjust wrenches | |
| 1,143,007 | Jun. 15, 1915 | F. Wilcox | Ratchet Extension and Protector for Micrometer Calipers | micrometers | |
| 1,380,562 | Jun. 07, 1921 | M. Keating | Valve Plug Remover | ||
| 1,408,808 | Mar. 07, 1922 | W.E. Keopple | Expansion Plug Gauge | plug gauges | |