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Patent number:
Patent Date:
US Patent: 1,475,153
Portable electric combination drill
Patentee:
Harry Athenas (
exact
or
similar
names) - New York, NY
USPTO Classifications:
29/26B
,
310/239
,
310/247
,
310/50
,
310/83
,
408/117
,
408/124
,
408/27
,
451/117
,
451/294
,
451/344
,
74/342
Tool Categories:
handheld power tools
:
handheld power drills
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Mar. 16, 1920
Granted:
Nov. 20, 1923
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Description:
Built-in grinder
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