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US Patent: 937,241
Tool Holder
Patentee: Louis T. Harkness (exact or similar names) - Jamestown, Chautauqua County, NY USPTO Classifications: 407/67, 407/97, 407/99 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: Nov. 30, 1907 Granted: Oct. 19, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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