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US Patent: 513,196
Stone-cutter's bush-hammer
James O'Donnell - Toronto, ON Canada

USPTO Classifications:

Tool Categories:
specialty tools : stoneworking tools
trade specific : stonemason

James O'Donnell - Toronto, ON Canada
Charles Watson - Toronto, ON Canada

Not known to have been produced

J. Edward Maybee
J. E. Cameron

Patent Dates:
Applied: Apr. 19, 1893
Granted: Jan. 23, 1894

Patent Pictures:
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"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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