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| Patents for Aaron Hall Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 196,353 | Oct. 23, 1877 | A. Hall, Jr. | Improvement in lathes for clothes-pins | clothespin machines | |
| 199,364 | Jan. 22, 1878 | A. Hall, Jr. | Improvement in machines for planing octagonal blanks for clothes-pins | clothespin machines | |