US Patent: 518,328
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| Wrench And Straightener For Threshing Machine Teeth
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Patentee:
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| Edward W. Oakey (exact or similar names) - Chatfield, MN |
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Patent Dates:
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| Applied: |
Dec. 12, 1893 |
| Granted: |
Apr. 17, 1894 |
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Patent Pictures:
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1 | 2
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Edward Oakey patent April 17, 1894 |
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Stan Schulz
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Description: |
| Box end wrench with two tooth straightener slots in the end of the handle.
The manufactured wrench is heavier than suggested in the patent drawings. |
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