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US Patent: 1,898,084
Lead Testing Machine
Patentee: Joseph C. Drader (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 33/199B, 33/501.14, 74/422 Tool Categories: metalworking machines : gear measuring machines Assignees: Michigan Tool Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 10, 1927 Granted: Feb. 21, 1933 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Michigan Tool Co.
Description: This machine was also patented in Great Britain, #GB-428,116.

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