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US Patent: 2,214,142
Vibrator
Patentee:
Arthur William Mall (exact or similar names) - Chicago, IL

USPTO Classifications:
172/41, 366/122

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 06, 1938
Granted: Sep. 10, 1940

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Mall Tool Co.

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