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| Patents for Herbert J. Smith | |||||
| Number | Date | Patentee | Title | Type | |
| 726,377 | Apr. 28, 1903 | J.A. Traut | Level | levels | |
| 2,153,054 | Apr. 04, 1939 | H.J. Smith | Die stock and tap wrench | taps and dies | |
| 2,227,281 | Dec. 31, 1940 | H.J. Smith | Tap | taps and dies | |