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| Patents for Helen M. Feegan | |||||
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| Picture | Number | Date | Patentee | Title | |
| 238,565 | Mar. 08, 1881 | T.W. Brown | Egg-beater | ||
 | 273,274 | Mar. 06, 1883 | W.H. Griffiths | Barrel-stave machine | |
 | 295,093 | Mar. 11, 1884 | C.E. Ashcroft | Pressure-gage-testing apparatus | |
 | 317,670 | May 12, 1885 | G.F. Pottle | Self-Gripping Pipe Wrench | |