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| Patents for John Upson | |||||
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| Number | Date | Patentee | Title | Type | |
| 41,742 | Feb. 23, 1864 | H.K. Jones | Improvement in Machines for Stamping Carpenters' Squares | tool making machines | |
| 46,191 | Jan. 31, 1865 | H.K. Jones | Improved Machine for Indicating Carpenters' Squares | tool making machines | |