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| Patents for George Parr | |||||
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| Number | Date | Patentee | Title | Type | |
| 25,995 | Nov. 01, 1859 | D.G. Chase | Shank-laster | shoemaking | |
| 32,617 | Jun. 25, 1861 | M. Colton | Spoke Shave | spokeshaves | |
| 45,854 | Jan. 10, 1865 | G. Parr | Improvement in Mode of Manufacturing Screw Drivers | screwdriver blades | |