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US Patent: 25,588
Riveting, Punching and Shearing Machine
Patentee: John Sparrow (exact or similar names) - Portland, Cumberland County, ME USPTO Classifications: 72/453.19, 91/469 Tool Categories: specialty machines : riveting machines metalworking machines : metal punching machines metalworking machines : metal shearing machines Assignees: None Manufacturer: Portland Co. - Portland, Cumberland County, ME Witnesses: Edward Fox S. L. Carleton	Patent Dates: Granted: Sep. 27, 1859 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Portland Co.

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