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US Patent: 2,529,931
Auxilary Contact for Calipers
Patentee: John F. Gallup, Sr. (exact or similar names) - Newington, CT USPTO Classifications: 33/501.15, 33/810 Tool Categories: layout tools : measurement gauges Assignees: None Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Sep. 26, 1945 Granted: Nov. 14, 1950 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Clarence A. O'Brien & Harvey B. Jacobson - patent attorneys

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