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US Patent: 737,655
Lifting-jack
Patentee: William H. Oliver (exact or similar names) - Chicago, IL USPTO Classifications: 254/95, 74/155 Tool Categories: material handling : jacks : vehicle jacks : automobile and truck jacks Assignees: None Manufacturer: U. S. Jack Co. - Chicago, IL Witnesses: M. B. Allstadt F. A. Hopkins	Patent Dates: Applied: Oct. 02, 1902 Granted: Sep. 01, 1903 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 the inventor's earlier patent 680,730 to avoid a sudden fall when the lever was pushed too far.

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