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US Patent: 1,387,862
Tool Holder
Patentee: Ernest Ortwig (exact or similar names) - Cologne-Ehrenfeld, North Rhine-Westphalia, Germany USPTO Classifications: 29/35.5 Tool Categories: metalworking machines : metal lathes : lathe tool holders and tool posts metalworking machines : metal planers : metal planer tool holders metalworking machines : metal shapers : metal shaper tool holders Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 15, 1919 Granted: Aug. 16, 1921 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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