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US Patent: 1,222,448
Tool Holder
Patentee:
Robert Nelson (exact or similar names) - Minneapolis, Hennepin County, MN

USPTO Classifications:
81/32

Tool Categories:
metalworking tools : ratchet drills

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 25, 1916
Granted: Apr. 10, 1917

Patent Pictures:
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Google Patents
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