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| Patents for Emma Hack | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 472,074 | Apr. 05, 1892 | F.V. Phillips | Sash-pulley | |
 | 474,686 | May 10, 1892 | J.L. Perry | Sandpapering-machine | |
 | 475,440 | May 24, 1892 | J. Stenwall, Jr., B.F. Cummins | Perforating, dating, and receipting stamp | |