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US Patent: 1,417,254
Safety Lifting Jack
Patentee:
David C. Klausmeyer - Cincinnati, Hamilton County, OH

USPTO Classifications:
254/98

Tool Categories:
industrial tools : jack screws

Assignees:
Cincinnati Bickford Tool Co. - Cincinnati, Hamilton County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 10, 1921
Granted: May 23, 1922

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Cincinnati Bickford Tool Co.

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