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US Patent: 1,853,128
Tool Holder Adapted for Motor Driven Striking Tools
Patentees: Erik G. Hysing (exact or similar names) - Stockholm, Stockholm County, Sweden Karl A. Johanson (exact or similar names) - Stockholm, Stockholm County, Sweden USPTO Classifications: 173/132, 279/102, 279/19.6 Tool Categories: industrial tools : tool holders handheld power tools : handheld impact tools : handheld power hammers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 16, 1931 Granted: Apr. 12, 1932 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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