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US Patent: 678,421
Steam Engine Indicator
Patentee: Eric Norden (exact or similar names) - Wilmington, New Hanover County, NC USPTO Classifications: 346/112, 346/136, 346/4 Tool Categories: propulsion and energy : steam apparatus : steam engine indicators Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 27, 1901 Granted: Jul. 16, 1901 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens The Story of the Steam Engine Indicator

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