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Patents for David W. Pond | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 204,248 | May 28, 1878 | D.W. Pond | Improvement in metal-drilling machines | |
![]() | 224,534 | Feb. 17, 1880 | S.E. Hildreth | Metal-Planing Machine |