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US Patent: 120,823
Improvement in propulsion of canal-boats
Patentee:
Joseph M. McMaster - Rochester, NY

USPTO Classifications:
417/315, 440/13, 440/38, 60/221

Tool Categories:
structures : boats and ships

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. H. Sargent
F. H. Clement

Patent Dates:
Granted: Nov. 14, 1871

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
"Vintage Machinery" entry for Frank H. Clement

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