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| Patents for George H. Perkins | |||||
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| Number | Date | Patentee | Title | Type | |
| 148,748 | Mar. 17, 1874 | G.H. Perkins | Machine for Stamping and Bending Sheet Metal | stamping presses | |
| 185,777 | Dec. 26, 1876 | G.H. Perkins | Improvement in machines for nailing boxes | box making machines | |
| 243,611 | Jun. 28, 1881 | G.H. Perkins | Nailing-machine | nailing machines | |