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US Patent: 245,634
Lifting-jack
Patentees:
Charles S. Harmon (exact or similar names) - Blue Island, IL
Thomas J. Jenne (exact or similar names) - Gouverneur, NY

USPTO Classifications:
254/106

Tool Categories:
metalworking tools : lifting jacks
material handling : jacks : vehicle jacks : wagon and cart jacks

Assignees:
Edwin B. Smith - Chicago, IL
George W. Stanford - Chicago, IL
Charles S. Harmon - Blue Island, IL

Manufacturer:
Not known to have been produced

Witnesses:
Douglas Dyrenforth
P. C. Dyrenforth

Patent Dates:
Applied: Jan. 17, 1881
Granted: Aug. 16, 1881

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Description:
The patent assignment amounts to 70 percent to Harmon, 20 percent to Stanford, and 10 percent to Smith.

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