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US Patent: 150,567
Improvement in circular-saw mills
Patentee:
John N. Hall - Central City, CO

USPTO Classifications:
83/707

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 04, 1874
Granted: May 05, 1874

Patent Pictures:
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