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| Patents for J. M. Robinson Mfg. Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 142,921 | Sep. 16, 1873 | W.F. Kistler | Sheet Metal Bending-Machines | |
 | 393,583 | Nov. 27, 1888 | J.M. Robinson | Brake for Bending Sheet Metal | |
 | 438,970 | Oct. 21, 1890 | J.W. Yates | Machine for making sheet-metal moldings | |
| 464,410 | Dec. 01, 1891 | J.W. Yates | Machine for molding and embossing sheet metal | ||
 | 475,299 | May 24, 1892 | C.J. Colling | Machine for bending sheet metal | |