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US Patent: 1,253,828
Drill Steel Retaining Device
Patentee: Charles A. Hultquist (exact or similar names) - Los Angeles, CA USPTO Classifications: 279/19.1 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: George H. Hiles A. F. Schmidtbauer Lute A. Alter Sally Russo	Patent Dates: Applied: Mar. 26, 1917 Granted: Jan. 15, 1918 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Frederick Shyon - patent attorney

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