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US Patent: 821,328
Hand-Operated Tool
Patentee: Harry D. Bartlett (exact or similar names) - Chicago, IL USPTO Classifications: 403/95, 81/448, 81/450 Tool Categories: screwdrivers : screwdriver handles Assignees: None Manufacturer: Not known to have been produced Witnesses: G. L. Cragg Leon Stroh	Patent Dates: Applied: Sep. 07, 1905 Granted: May 22, 1906 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin
Description: References Marcus J. Bartlett's patent number 428662.

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