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Patents for Jesse Vandenburgh | |||||
Number | Date | Patentee | Title | Type | |
244,439 | Jul. 19, 1881 | J. Vandenburgh, H. Duffey | Hub-boring machine | drilling and boring | |
251,322 | Dec. 20, 1881 | J.A. Gilkerson, J. Vandenburgh | Screw-cutting machine | screw machines |