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US Patent: 351,474
Rapidly Adjustable Nut for Calipers and Dividers
Patentees: Oliver D. Warfield (exact or similar names) - Chicopee Falls, MA Joshua Stevens (exact or similar names) - Chicopee Falls, MA USPTO Classifications: 224/42.27, 33/558.08, 411/265, 411/432, 411/935 Tool Categories: layout tools : calipers Assignees: J. Stevens Arms & Tool Co. - Chicopee Falls, MA Manufacturer: J. Stevens Arms & Tool Co. - Chicopee Falls, MA Witnesses: Joseph L. Beaupré Sidney Sanders	Patent Dates: Applied: Jun. 12, 1886 Granted: Oct. 26, 1886 Patent Pictures: [ 1 | 2 | 3 | 4 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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