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US Patent: 481,861
Cutter Head and Knife
Patentee:
Charles Grotz (exact or similar names) - Ottumwa, Wapello County, IA

USPTO Classifications:
144/218

Tool Categories:
woodworking machines : machine and tool cutters : cutters

Assignees:
Cooper & Hampton - Minneapolis, Hennepin County, MN

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 23, 1891
Granted: Aug. 30, 1892

Patent Pictures:
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