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| Patents for Frederick D. Hazelton | |||||
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| Number | Date | Patentee | Title | Type | |
| 184,524 | Nov. 21, 1876 | F.D. Hazelton | Gage | measurement gauges | |
| 188,010 | Mar. 06, 1877 | F.D. Hazelton | Improvement in cutter-holders for metal-lathes | metal lathe accessories and attachments | |
| 741,034 | Oct. 13, 1903 | F.D. Hazelton | Saw-table | metal sawing machines | |