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| Patents for George P. Hall | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,927 | Feb. 24, 1845 | J. Arndt | Machine for filing saws | saw sharpening machines | |
| 441,016 | Nov. 18, 1890 | A.J. Mundy | Pencil-sharpener | pencil sharpeners | |