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US Patent: 11,784
Improvement in construction of ships
Patentee: John W. Griffiths (exact or similar names) - New York, NY USPTO Classifications: 114/78, 114/83 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: Charles N. Bamburgh William H. Bishop	Patent Dates: Granted: Oct. 10, 1854 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for John W. Griffiths
Description: Of interest because the inventor later manufactured a wood-bending machine. In this patent, he refers to himself as a "naval constructor".

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