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US Patent: 30,480
Pump Cylinder
Patentee:
W. J. Johnson (exact or similar names) - Newton, Middlesex County, MA

USPTO Classifications:
254/25, 417/554

Tool Categories:
industrial machines : pumps

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Oct. 23, 1860

Reissue Information:
Reissued as RE6,649 (Sep. 21, 1875)

Patent Pictures:
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