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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: USPTO (New site tip) Google Patents 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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