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US Patent: 369,992
Hydraulic jack
Patentee:
Oliver H. Mechem (exact or similar names) - Connellsville, PA

USPTO Classifications:
254/DIG.004, 60/481

Tool Categories:
material handling : jacks : hydraulic jacks

Assignees:
Richard Dudgeon - Glen Cove, NY

Manufacturer:
Richard Dudgeon - New York, NY

Witnesses:
Samuel J. Wallace
B. F. Morsell

Patent Dates:
Applied: Jan. 16, 1885
Granted: Sep. 13, 1887

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Wikipedia biography of Richard Dudgeon
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