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US Patent: 917,789
Lifting-jack
Patentee: William H. Oliver (exact or similar names) - Chicago, IL USPTO Classifications: 254/109 Tool Categories: material handling : jacks : vehicle jacks : automobile and truck jacks Assignees: None Manufacturer: U. S. Jack Co. - Chicago, IL Witnesses: Francis A. Hopkins Charles H. Seem	Patent Dates: Applied: Oct. 16, 1907 Granted: Apr. 13, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Wrench Wiki page on US Jack Co.
Description: Improvements to patent 784,589 to raise the handle higher to permit full movement without being obstructed by parts of the vehicle.

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