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| Patents for J. M. Robinson Mfg. Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 142,921 | Sep. 16, 1873 | W.F. Kistler | Sheet Metal Bending-Machines | sheet metal brakes | |
| 393,583 | Nov. 27, 1888 | J.M. Robinson | Brake for Bending Sheet Metal | sheet metal brakes | |