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US Patent: 411,722
Bit-stock
Patentees:
George B. Jackson (exact or similar names) - Birmingham, CT
Stillnon P. Tasker (exact or similar names) - Birmingham, CT

USPTO Classifications:
279/45

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Sep. 24, 1889

Patent Pictures:
USPTO (New site tip)
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