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US Patent: 2,157,444
Tool Holder for Pneumatic Hammers
Patentee: Charles P. Whitlock (exact or similar names) - San Diego, San Diego County, CA USPTO Classifications: 173/133, 173/169, 173/206 Tool Categories: industrial tools : tool holders handheld power tools : handheld impact tools : handheld power hammers industrial tools : pneumatic tools Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 13, 1936 Granted: May 09, 1939 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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