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US Patent: 501,807
Taper Gage
Patentee: Frank Peterson (exact or similar names) - Chicago, IL USPTO Classifications: 33/472, 33/532 Tool Categories: layout tools : special purpose gauges layout tools : measurement gauges Assignees: None Manufacturer: Not known to have been produced Witnesses: Henry Eastman J. A. Van Flul F. McArdle C. Sedgwick	Patent Dates: Applied: Apr. 20, 1893 Granted: Jul. 18, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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