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US Patent: 139,996
Improvement in propelling canal-boats
Patentee: Halsey H. Baker (exact or similar names) - New Market, NJ USPTO Classifications: 105/29.1, 440/35 Tool Categories: structures : boats and ships transportation : boats and ships Assignees: None Manufacturer: Not known to have been produced Witnesses: Frederick Haynes Michael Ryan	Patent Dates: Granted: Jun. 17, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for H. H. Baker

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