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US Patent: 495,221
Steam-piston packing
Patentee: Noble T. Greene (exact or similar names) - Providence, RI USPTO Classifications: 92/185, 92/201 Tool Categories: propulsion and energy : steam engines : steam engine packing Assignees: None Manufacturer: Providence Steam Engine Co. - Providence, RI Witnesses: George H. Remington Ida M. Warren	Patent Dates: Applied: Nov. 07, 1892 Granted: Apr. 11, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Providence Steam Engine Co.

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