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| Patents for Augustus B. Prouty | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 150,890 | May 12, 1874 | A.B. Prouty | Improvement in metal-drill machines | |
 | 164,594 | Jun. 15, 1875 | A.B. Prouty | Improvement in Work-Holding Devices for Metal Planers | |
 | 164,934 | Jun. 29, 1875 | G.C. Taft, L. Coes, A.B. Prouty | Planer-Chucks | |