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| Patents for Greenleaf Stackpole | |||||
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| Number | Date | Patentee | Title | Type | |
| 36,538 | Sep. 23, 1862 | G. Stackpole | Improvement in bit-braces | brace chucks | |
| 63,438 | Apr. 02, 1867 | G. Stackpole | Improvement in bit-braces | brace chucks | |