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US Patent: 478,530
Horizontal hydraulic jack
Patentee: John Weeks (exact or similar names) - New York, NY USPTO Classifications: 254/93H, 60/481 Tool Categories: material handling : jacks : hydraulic jacks Assignees: Richard H. Dudgeon - New York, NY Manufacturer: Not known to have been produced Witnesses: J. E. Hoffman Phillips Abbott	Patent Dates: Applied: Jan. 12, 1892 Granted: Jul. 05, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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