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US Patent: 1,060,845
Bit-holder (chuck)
Patentee:
John W. Johnson (exact or similar names) - Leavenworth, KS

USPTO Classifications:
279/51

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: May 06, 1913

Patent Pictures:
USPTO (New site tip)
Google Patents
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