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US Patent: 4,056
Improvement in water-wheels
Patentee: James Leffel (exact or similar names) - Springfield, OH USPTO Classifications: 415/205, D24/164 Tool Categories: propulsion and energy : water power : water wheels Assignees: None Manufacturer: James Leffel & Co. - Springfield, OH Leffel Water Wheel & Engine Co. - Springfield, OH Witnesses: J. J. Greenough Lafayette Caldwell	Patent Dates: Granted: May 21, 1845 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for James Leffel & Co. Vintage Machinery entry for Leffel Water Wheel & Engine Co.
Description: The inventor received a later water-wheel patent, 34,150, which became one of the most successful water-wheel designs of all time.

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