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US Patent: 616,851
Weighing Machine
Patentee: Frank E. Thompson (exact or similar names) - Hartford, Hartford County, CT USPTO Classifications: 177/123 Tool Categories: specialty tools : scales and balances Assignees: Pratt & Whitney Co. - Hartford, Hartford County, CT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 17, 1896 Granted: Dec. 27, 1898 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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