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US Patent: 1,316,575
Lifting-jack
Patentee: Isaiah E. Hindman (exact or similar names) - Bellevue, PA USPTO Classifications: 254/111 Tool Categories: trade specific : vehicle repairer : vehicle mechanic Assignees: Duff Mfg. Co. - Pittsburgh, PA Manufacturer: Duff Mfg. Co. - Pittsburgh, PA Witnesses: Unknown	Patent Dates: Applied: Feb. 20, 1918 Granted: Sep. 23, 1919 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Duff Mfg. Co.
Description: Improvement to patent 1,165,380.

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