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US Patent: 487,741
Device for Grinding Button Blanks
Patentee:
Julius Huebner (exact or similar names) - Newark, Essex County, NJ

USPTO Classifications:
451/285, 79/7

Tool Categories:
specialty machines : button making machinery

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 19, 1892
Granted: Dec. 13, 1892

Patent Pictures:
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