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| Patents for Samuel Hall's Son | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 516,485 | Mar. 13, 1894 | C. Hall | Pipe Wrench | |
![]() | CA-45,993 | May 09, 1894 | C. Hall | Pipe-Wrench | |
![]() | 523,810 | Jul. 31, 1894 | C. Hall | Pipe Wrench | |