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| Patents for George A. Gumphert | |||||
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| Number | Date | Patentee | Title | Type | |
| 561,663 | Jun. 09, 1896 | G.A. Gumphert | Vise | woodworkers vises | |
| 600,493 | Mar. 08, 1898 | G.A. Gumphert | Shaking-grate | ||
| 1,511,661 | Oct. 14, 1924 | H.E. Danzebecher | Dishwasher | ||