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Patent number:
Patent Date:
US Patent: 1,288,154
Drill-chuck
Patentee:
Carl A. Palmgren (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
279/60
,
279/65
Tool Categories:
woodworking tools
:
hand drills
:
drill chucks
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Jan. 26, 1917
Granted:
Dec. 17, 1918
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Palmgren Steel Products, Inc.
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