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US Patent: 452,019
Spacing Instrument
Patentee: Johannes Th. Pedersen (exact or similar names) - New York, NY USPTO Classifications: 33/44, 33/675 Tool Categories: layout tools : measurement gauges Assignees: None Manufacturer: Not known to have been produced Witnesses: Harold Serrell William G. Mott Charles H. Smith J. Staib	Patent Dates: Applied: Sep. 17, 1890 Granted: May 12, 1891 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Lemuel W. Terrell - patent attorney

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