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US Patent: 1,102,146
Calipers Quick-Adjust Calipers
Patentee: Emory E. Ellis (exact or similar names) - Orange, MA USPTO Classifications: 33/558.05 Tool Categories: layout tools : calipers Assignees: Union Caliper Company - Orange, MA Manufacturer: Union Tool Co. - Orange, MA Witnesses: Henry A. White F. A. Kent Vera E. Fogg Victoria Louden	Patent Dates: Applied: Nov. 13, 1912 Granted: Jun. 30, 1914 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: These calipers feature a notched bar to allow them to quickly adjust to a rough size, then finely adjusted with the screw. Known examples are marked with the patent date and manufacturer name

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