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Patent number:
Patent Date:
US Patent: 1,364,361
Drill-chuck
Patentee:
George Walter Emrick
- Brooklyn, NY
USPTO Classifications:
279/63
Tool Categories:
woodworking tools
:
hand drills
:
drill chucks
Assignees:
None
Manufacturer:
Eastern Tube & Tool Co.
- Brooklyn, NY
Witnesses:
Unknown
Patent Dates:
Applied:
Jan. 07, 1919
Granted:
Jan. 04, 1921
Patent Pictures:
USPTO
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Description:
An improvement to his patent
1,109,121
.
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