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US Patent: 914,012
Ratchet Drill
Patentee: Paul Armstrong (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 408/121 Tool Categories: woodworking tools : hand drills : drill accessories Assignees: Armstrong Bros. Tool Co. - Chicago, Cook County, IL Manufacturer: Armstrong Bros. Tool Co. - Chicago, Cook County, IL Witnesses: L. L. Miller George L. Chindahl C. Paul Parker	Patent Dates: Applied: Nov. 15, 1906 Granted: Mar. 02, 1909 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Armstrong Brothers Tool Co. history "Vintage Machinery" entry for Armstrong Brothers Tool Co.
Description: Luther L. Miller - patent attorney

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