US Patent: 513,196
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| Stone-cutter's bush-hammer
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Patentee:
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| James O'Donnell (exact or similar names) - Toronto, ON Canada |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 19, 1893 |
| Granted: |
Jan. 23, 1894 |
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Jeff Joslin
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Description: |
| "The object of the invention is to provide a bush hammer which may be quickly and easily sharpened and tempered, and in which the teeth may be replaced in the event of any one of them being broken, and it consists, essentially, of a casing designed to hold a series of pointed teeth bunched together and held in position by means of a wedge..." |
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