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US Patent: 930,178
Saw-sharpening machine
Patentee:
John Patrick Hedstrom (exact or similar names) - Chicago, IL

USPTO Classifications:
76/41, 76/77

Tool Categories:
metalworking machines : grinders : sharpening machines : saw sharpening machines

Assignees:
Hanchett Swage Works - Big Rapids, MI

Manufacturer:
Hanchett Swage Works - Big Rapids, MI

Witnesses:
Frank G. Westlund
Nels. Johnson

Patent Dates:
Applied: Jan. 09, 1905
Granted: Aug. 03, 1909

Patent Pictures:
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Vintage Machinery entry for Hanchett Swage Works

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