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US Patent: D4,922
Design for chain-pumps
Patentee: Henry L. Fry (exact or similar names) - Cincinnati, OH USPTO Classifications: D23/231 Tool Categories: Assignees: James L. Haven & Co. - Cincinnati, OH Manufacturer: Not known to have been produced Witnesses: James H. Layman George H. Knight	Patent Dates: Granted: May 23, 1871 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for James L. Haven & Co.

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