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US Patent: 1,997,890
Universal Tracer
Patentee: Edmund Leo Wall (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 137/312, 137/377, 251/3, 409/129, 74/569 Tool Categories: metalworking machines : metalworking machine mechanisms : hydraulic apparatus Assignees: Rudolph W. Glasner - Chicago, Cook County, IL Manufacturer: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Witnesses: Unknown	Patent Dates: Applied: Dec. 12, 1933 Granted: Apr. 16, 1935 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Milling Machine Co.
Description: This patent number was seen on a Cincinnati Milling Machine Co. patent plate 4FV-101.

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