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US Patent: 255,080
Lathe chuck for turning polygonal bodies
Patentee:
Henry Clay Humphrey - New York, NY

USPTO Classifications:
142/52

Tool Categories:
woodworking machines : wood lathes : wood lathe chucks

Assignees:
Henry Clay Humphrey - New York, NY
Siegfried Block - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 31, 1881
Granted: Mar. 14, 1882

Patent Pictures:
USPTO pdf tiff
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