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US Patent: 136,821
Improvement in adjustable ingot-molds
Patentee: Mahlon S. Drake (exact or similar names) - Newark, NJ USPTO Classifications: 249/105, 249/157, 249/161 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: J. C. Clayton Preston I. Sweet	Patent Dates: Granted: Mar. 18, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Inventor M. S. Drake also manufactured a wood-turning lathe. This patent gives the inventor's full name as "Mahlon Smalley Drake".

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