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US Patent: 768,832
Nut or Pipe Wrench
William Van Horn - Piqua, OH

USPTO Classifications:
81/186, 81/415, 81/426, 81/426.5

Tool Categories:
wrenches : pliers type wrenches

William Van Horn - Piqua, OH
Elva A. Jackson - Troy, OH

Universal Manufacturing Co. - Troy, OH
Jackson & Van Horn - Troy, OH

C. B. Jamison
J. R. Miles

Patent Dates:
Applied: Jun. 10, 1904
Granted: Aug. 30, 1904

Patent Pictures:
William Van Horn patent August 30, 1904
USPTO pdf tiff
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This pliers type wrench has one jaw hook-shaped, and small steps on the other jaw, to facilitate holding square nuts or round objects.

The jaw shape is the major feature to distinguish this tool from the Hjorth "Lightning" based on patent no. 738,444.

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