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US Patent: 1,090,180
Calipering Gage for Screw Threads
Patentees: Frank O. Wells (exact or similar names) - Greenfield, MA Franklin Judge (exact or similar names) - Greenfield, MA USPTO Classifications: 33/199R Tool Categories: layout tools : measurement gauges Assignees: None Manufacturer: Not known to have been produced Witnesses: Charles N. Stoddard Jessie S. Blackmer M. A. Hunter H. E. Hartwell	Patent Dates: Applied: Jun. 19, 1913 Granted: Mar. 17, 1914 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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