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| Patents for Herman J. Ruch | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 933,124 | Sep. 07, 1909 | W.T. Sears | Car-wheel drilling machine | |
![]() | 953,183 | Mar. 29, 1910 | W.T. Sears, H.J. Ruch | Boring or drilling machine | |