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| Patents for Ira Culver | |||||
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| Number | Date | Patentee | Title | Type | |
| 274,281 | Mar. 20, 1883 | I. Culver | Screw Cutting Head | taps and dies | |
| 403,740 | May 21, 1889 | I. Culver | Drill Gage | measurement gauges | |
| 655,061 | Jul. 31, 1900 | I. Culver | Adjustable Die Stock | tap and die holders | |