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US Patent: 2,821
Screw Propeller
Constructing Steamships, Propelling and Turning
Patentee:
Robert L. Stevens (exact or similar names) - New York, NY

USPTO Classifications:
114/148, 114/57, 440/48

Tool Categories:
transportation : boats and ships

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Thomas P. Jones
Edwin L. Brundage
Patent Dates:
Granted: Oct. 17, 1842

Patent Pictures:
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