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US Patent: 334,206
Hydraulic jack
Patentees:
Harrison Traver (exact or similar names) - Brooklyn, NY
John Weeks (exact or similar names) - New York, NY

USPTO Classifications:
60/481

Tool Categories:
material handling : jacks : hydraulic jacks

Assignees:
Richard Dudgeon - Oyster Bay, NY

Manufacturer:
Richard Dudgeon - New York, NY

Witnesses:
Charles B. Weber
James A. O'Gorman

Patent Dates:
Applied: Oct. 20, 1885
Granted: Jan. 12, 1886

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