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US Patent: 20,921
Turbine Water Wheel
Patentee:
David K. Kraatz (exact or similar names) - Ephrata, Lancaster County, PA

USPTO Classifications:
415/117, 415/151

Tool Categories:
propulsion and energy : water power : water wheels : turbine water wheels

Assignees:
David K. Kraatz - Ephrata, Lancaster County, PA
Isaac S. Roland - Bareville, Lancaster County, PA

Manufacturer:
James Leffel & Co. - Springfield, Clarke County, PA

Witnesses:
Unknown
Patent Dates:
Granted: Jul. 13, 1858

Reissue Information:
Reissued as RE3,875 (Mar. 08, 1870)

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for James Leffel & Co.

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