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| Patents for George D. Walker | |||||
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| Number | Date | Patentee | Title | Type | |
| 242,004 | May 24, 1881 | M. Lally, J.J. Kehoe | Table for wood-working machinery | woodworking machine mechanisms | |
| 244,240 | Jul. 12, 1881 | W.H. Howland | Ore-amalgamator | ore processing apparatus | |
| 1,205,640 | Nov. 21, 1916 | C.G. Johannesmeyer, G. Langen | Metal-planer | metal planers | |