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US Patent: 330,760
Hydraulic jack
Patentee: John Weeks (exact or similar names) - New York, NY USPTO Classifications: 60/481 Tool Categories: material handling : jacks : hydraulic jacks Assignees: Richard Dudgeon - New York, NY Manufacturer: Richard Dudgeon - New York, NY Witnesses: William E. MacDonough Harrison Traver	Patent Dates: Applied: Jun. 15, 1885 Granted: Nov. 17, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Wikipedia biography of Richard Dudgeon Vintage Machinery entry for Richard Dudgeon

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