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| Patents for David N. Starr | |||||
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| Number | Date | Patentee | Title | Type | |
| 327,999 | Oct. 13, 1885 | C.M. Brown | Power-hammer | trip and helve hammers | |
| 370,447 | Sep. 27, 1887 | C.M. Brown | Adjustable Wrench | quick adjust wrenches | |