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US Patent: 334,764
Rapidly Adjusting Nut for Calipers and Dividers
Patentee: Charles P. Fay (exact or similar names) - Springfield, MA USPTO Classifications: 33/558.08, 411/432 Tool Categories: layout tools : calipers layout tools : compasses : dividers Assignees: None Manufacturer: Not known to have been produced Witnesses: John W. Labam Julius W. Labam Thomas E. O'Conner H. Brown	Patent Dates: Applied: Jul. 17, 1885 Granted: Jan. 26, 1886 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Knight & brothers - patent attorneys

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