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Patents for J. M. Robinson & Co. | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 314,448 | Mar. 24, 1885 | C. Hoff | Sheet Metal Seaming Machine | |
![]() | 475,299 | May 24, 1892 | C.J. Colling | Machine for bending sheet metal |