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US Patent: 1,487,834
Reversible Gauge
Patentee: Bryant H. Blood (exact or similar names) - Hartford, Hartford County, CT USPTO Classifications: 33/501.45 Tool Categories: metalworking tools : machinist tools : measuring tools : plug gauges Assignees: Pratt & Whitney Co. - New York, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 08, 1922 Granted: Mar. 25, 1924 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Pratt, Whitney & Co.

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