Mechanical tool-sharpener.

Invention Grant

US966731A Mechanical tool-sharpener. 失效

Title translation: 机械工具SHARPENER。

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Patent Title: Mechanical tool-sharpener.
Patent Title (中): 机械工具SHARPENER。
Application No.: US1907405998

Application Date: 1907-12-11
Publication No.: US966731A

Publication Date: 1910-08-09
Inventor: BRINKMANN MORRIS W
Applicant: BRINKMANN MORRIS W
Assignee: Morris W Brinkmann
Current Assignee: Morris W Brinkmann
Priority: US1907405998 1907-12-11

Mechanical tool-sharpener.

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