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US Patent: 103,746
Improvement in machine for grooving lead-pencil blanks
Patentee:
Philip Hufeland - New York, NY

USPTO Classifications:
144/28

Tool Categories:
woodworking machines : specialty machines : pencil making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: May 31, 1870

Patent Pictures:
USPTO pdf tiff
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