US Patent: 867,723
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| Machine for sharpening saw-teeth
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Patentee:
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| John Patrick Hedstrom (exact or similar names) - Big Rapids, MI |
| USPTO Classifications: |
| 76/41 |
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Patent Dates:
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| Applied: |
Apr. 26, 1906 |
| Granted: |
Oct. 08, 1907 |
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Jeff Joslin
Vintage Machinery entry for Hanchett Swage Works
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Description: |
| This patent was assigned to "Volney H. Hanchett and Arthur K. Hanchett, composing the firm of Hanchett Swage Works, of Big Rapids, Michigan." |
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