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| Patents for Helen M. Feegan | |||||
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| Number | Date | Patentee | Title | Type | |
| 238,565 | Mar. 08, 1881 | T.W. Brown | Egg-beater | egg and cream beaters | |
| 273,274 | Mar. 06, 1883 | W.H. Griffiths | Barrel-stave machine | barrel making machines | |
| 295,093 | Mar. 11, 1884 | C.E. Ashcroft | Pressure-gage-testing apparatus | steam pressure gauges | |
| 317,670 | May 12, 1885 | G.F. Pottle | Self-Gripping Pipe Wrench | pipe wrenches | |