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US Patent: 439,300
Grinding and Polishing Machine
Patentee:
Albert Manecke (exact or similar names) - Cerro Gordo, Piatt County, IL

USPTO Classifications:
144/136.1, 451/236

Tool Categories:
metalworking machines : grinders
specialty machines : polishing and buffing machinery

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 25, 1889
Granted: Oct. 28, 1890

Patent Pictures:
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