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US Patent: 452,768
Nipple-chuck
Patentee: Arthur Wise Cash (exact or similar names) - Bridgeport, CT USPTO Classifications: 279/7 Tool Categories: trade specific : plumber Assignees: Armstrong Manufacturing Co. - Bridgeport, CT Manufacturer: Not known to have been produced Witnesses: Minna C. Hinchcliffe Sherman Hartwell Hubbard	Patent Dates: Applied: Feb. 06, 1891 Granted: May 26, 1891 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Armstrong Mfg. Co.
Description: This invention was seen in a 1901 plumbing supply catalog.

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