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| Patents for M. Irene Hutchings | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,110,879 | Sep. 15, 1914 | W.R. Brown | Calipers | measurement gauges | |
| 1,155,136 | Sep. 28, 1915 | C.A. Dies | Wrench | pipe wrenches | |