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US Patent: 82,058
Improvement in mortising-chisel
Patentees:
James Hatch (exact or similar names) - San Francisco, CA
Otis Adams (exact or similar names) - San Francisco, CA

USPTO Classifications:
30/167

Tool Categories:
woodworking tools : chisels : mortise chisels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. F. Cowdery
Alfred Rix

Patent Dates:
Granted: Sep. 15, 1868

Patent Pictures:
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Description:
Chisel for machine mortiser. The inventors were employees at the California Planing Mills (Adams, Blinn & Co.), a sawmill and maker of doors, sashes and blinds.

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