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US Patent: 89,268
Improvement in rotary pumps
Patentee: Moses L. Andrew (exact or similar names) - Cincinnati, OH USPTO Classifications: 418/128, 418/192 Tool Categories: industrial machines : pumps : rotary pumps Assignees: George Burrows - Cincinnati, OH Moses L. Andrew - Cincinnati, OH Manufacturer: Not known to have been produced Witnesses: Charles E. Callahan Eugene Trump	Patent Dates: Granted: Apr. 27, 1869 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for M. L. Andrew & Co.

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