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US Patent: 241,450
Churn-power
Patentee: Charles M. Trautmann (exact or similar names) - Trautman, OH USPTO Classifications: 74/40 Tool Categories: household : churns Assignees: Walter W. Bostwock - Cincinnati, OH Manufacturer: Not known to have been produced Witnesses: J. H. Charles Smith John E. Jones	Patent Dates: Applied: Mar. 30, 1881 Granted: May 10, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for W. W. Bostwick & Co.

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