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US Patent: 1,433,528
Ring Thread Gauge
Patentees: Elmer J. Bryant (exact or similar names) - Woonsocket, Providence County, RI Charles G. Johnson (exact or similar names) - Woonsocket, Providence County, RI USPTO Classifications: 33/199R, 411/418, 411/433, 411/937.2 Tool Categories: metalworking tools : machinist tools : measuring tools : thread gages Assignees: Taft-Peirce Mfg. Co. - Woonsocket, Providence County, RI Manufacturer: Taft-Peirce Mfg. Co. - Woonsocket, Providence County, RI Witnesses: Unknown	Patent Dates: Applied: Mar. 01, 1919 Granted: Oct. 31, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Taft-Peirce Mfg. Co

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