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US Patent: 286,840
Bit-stock
Patentee:
George C. Paine (exact or similar names) - Boston, MA

USPTO Classifications:
475/270, 81/28

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Oct. 16, 1883

Patent Pictures:
USPTO (New site tip)
Google Patents
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