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US Patent: 1,472,062
Pump
Patentee:
Albert F. Froussard - St. Louis, MO

USPTO Classifications:
417/552

Tool Categories:
industrial machines : pneumatic : air pumps
specialty tools : automotive tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 12, 1921
Granted: Oct. 30, 1923

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Multiple Boring Machine Co.

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