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US Patent: 418,977
Machine for Grinding Lawn Mower Knives
Patentee:
Charles E. Forry - Freeport, IL

USPTO Classifications:
451/213, 451/220, 451/367, 451/406

Tool Categories:
metalworking machines : grinders : sharpening machines

Assignees:
Levi M. Devore - Freeport, IL

Manufacturer:
Not known to have been produced

Witnesses:
James H. Stearns
Hallie C. Ellis
H. s. Roher
John Service

Patent Dates:
Applied: May 08, 1889
Granted: Jan. 07, 1890

Patent Pictures:
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