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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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