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US Patent: 568,932
Bit-centering device
Patentee:
Samuel W. Wilcox (exact or similar names) - Mendon, MA

USPTO Classifications:
280/845, 408/112, 606/180

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Oct. 06, 1896

Patent Pictures:
USPTO (New site tip)
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