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US Patent: 19,497
Loop chain for jewelry
Patentee: Charles W. Dickinson (exact or similar names) - Newark, NJ USPTO Classifications: 59/81 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: John B. Fairbank W. W. Vaughan	Patent Dates: Granted: Mar. 02, 1858 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Dickinson & Rowden
Description: Of interest because the inventor became partner in a firm that made a patent geometrical lathe.

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