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US Patent: 1,439X
Double forcing pumps
Patentee:
William Beach (exact or similar names) - Franklin, Delaware County, NY

USPTO Classifications:

Tool Categories:
industrial machines : pumps

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Feb. 19, 1811

Patent Pictures:
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Description:
Double forcing pumps

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