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US Patent: 2,148,765
Mass and form vibrator
Patentee:
Arthur William Mall (exact or similar names) - Chicago, IL

USPTO Classifications:
366/122, 366/123, 366/128

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 25, 1935
Granted: Feb. 28, 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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