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| Patents for Hazel A. Armstrong | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,060,685 | May 06, 1913 | E.K. Jones | Pipe Wrench | pipe wrenches | |
| 1,085,499 | Jan. 27, 1914 | C.H. Shapiro | Handsaw | ||
| 1,120,120 | Dec. 08, 1914 | E.L. Barnes | Machine for making telephone-pole cross-arms | specialty woodworking machines | |