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US Patent: 33,226
Improvement in apparatus for elevating liquids by retained power
Patentee: Rufus Porter (exact or similar names) - Melrose, MA USPTO Classifications: 417/328 Tool Categories: water distribution systems : water elevators Assignees: Rufus Porter - Melrose, MA H. T. Litchfield - East Boston, MA Manufacturer: Not known to have been produced Witnesses: C. H. Hudson J. W. Richardson	Patent Dates: Granted: Sep. 03, 1861 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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