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| Patents for Hazel B. Hiett | |||||
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| Number | Date | Patentee | Title | Type | |
| 928,154 | Jul. 13, 1909 | J.H. Prugh | Surfacing and polishing machine | sanding machines | |
| 967,899 | Aug. 23, 1910 | W.E. Golden | Wrench | screw adjust wrenches | |