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US Patent: 5,794
Machine for Making Wood Screws
Patentee:
Joseph Crum (exact or similar names) - Rampo, Rockland County, NY

USPTO Classifications:
408/1R, 470/10, 470/59, 470/66, 83/400

Tool Categories:
metalworking machines : screw machines

Assignees:
Henry L. Piersson - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Sep. 19, 1848

Patent Pictures:
USPTO (New site tip)
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