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| Patents for Chas. P. Hazeltine | |||||
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| Number | Date | Patentee | Title | Type | |
| RE10,145 | Jul. 04, 1882 | F. Chantrell | Adjustable Socket Wrench | socket wrenches | |
| 337,243 | Mar. 02, 1886 | J. Chantrell | Brace Chuck | brace chucks | |