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| Patents for D. C. Lawrence | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,761 | Feb. 24, 1852 | H. Sidle | Apparatus for boring hubs for boxes | wheelwright | |
| 37,590 | Feb. 03, 1863 | J.H. Pratt | News-Distributer by Balloons | ||