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US Patent: 8,840
Dredging-machine
Patentee: James Hamilton (exact or similar names) - New York, NY USPTO Classifications: 37/341, 37/906 Tool Categories: construction machines : dredges Assignees: None Manufacturer: Not known to have been produced Witnesses: Lemuel W. Serrell W. Serrell	Patent Dates: Granted: Mar. 30, 1852 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for James Hamilton
Description: See also patent 1,663.

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