US Patent: 20,174 - Device by which the width of the bolt checks the feed in shingle-machines


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US Patent: 20,174

Device by which the width of the bolt checks the feed in shingle-machines

Patentee:

A. C. Sawyer (exact or similar names) - Canton, NY

USPTO Classifications:

Tool Categories:

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Granted:	May 04, 1858

Patent Pictures: