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US Patent: 454,093
Rod Packing
Patentees: Sivert Udstad (exact or similar names) - Aurora, Kane County, IL Rafael Ryan (exact or similar names) - Aurora, Kane County, IL USPTO Classifications: 277/530 Tool Categories: propulsion and energy : steam engines : steam engine packing Assignees: None Manufacturer: S. Udstad - Aurora, Kane County, IL Witnesses: E. T. Prindle J. C. Beede Jonathan B. Culey Y. M. Copenhaver	Patent Dates: Applied: Nov. 20, 1890 Granted: Jun. 16, 1891 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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