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| Patents for Robert G. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 55,774 | Jun. 19, 1866 | J. Kirk | Improvement in registering apparatus for printing-presses | printer | |
| 1,516,509 | Nov. 25, 1924 | R.G. Smith | Truing Tool | portable turning tools | |