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US Patent: 352,721
Level Attachment for Boring Tools Stanley No 44 Bit and Square Level
Patentee: Justus A. Traut (exact or similar names) - New Britain, CT USPTO Classifications: 33/334, 33/371, 408/16, 81/28 Tool Categories: layout tools : levels woodworking tools : hand drills : drill accessories Assignees: The Stanley Rule & Level Co. - New Britain, CT Manufacturer: The Stanley Rule & Level Co. - New Britain, CT Witnesses: H. S. Walter F. N. Stanley	Patent Dates: Applied: Jul. 03, 1886 Granted: Nov. 16, 1886 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Level attaches to the drill bit shank and can be set at any angle. Traut acknowledges other patents and mentions Patent No. 92927 specifically.

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