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US Patent: 464,577
Bush-hammer sharpener
Patentee:
Louis Mayer (exact or similar names) - Mankato, MN

USPTO Classifications:
409/226, 76/5.1, 76/82

Tool Categories:
metalworking machines : grinders

Assignees:
None

Manufacturer:
Mayer Bros. Co. - Mankato, MN

Witnesses:
Josef Masberg
Nicholas Moes

Patent Dates:
Applied: Jun. 19, 1891
Granted: Dec. 08, 1891

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Mayer Bros. Co.

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