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Patent number:
Patent Date:
US Patent: 2,167,987
Vibrator
Patentee:
Arthur William Mall (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
366/122
,
74/87
Tool Categories:
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Jun. 10, 1937
Granted:
Aug. 01, 1939
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Mall Tool Co.
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