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US Patent: 151,827
Improvement in Machines for Stamping Carpenters' Squares
Patentee: Charles S. Bement (exact or similar names) - New Haven, CT USPTO Classifications: 101/23, 101/296, 101/3.1, 72/189 Tool Categories: Assignees: Sargent & Co. - New Haven, CT Manufacturer: Not known to have been produced Witnesses: A. J. Tibbits J. H. Shumway	Patent Dates: Applied: Jan. 21, 1874 Granted: Jun. 09, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen. "Vintage Machinery" entry for Sargent & Co.

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