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US Patent: 414,954
Calipers or Dividers
Patentee: Hermann Suerstedt (exact or similar names) - Brooklyn, NY USPTO Classifications: 33/558.06 Tool Categories: layout tools : calipers layout tools : compasses : dividers Assignees: None Manufacturer: Not known to have been produced Witnesses: Harry M. Turk John M. Spear	Patent Dates: Applied: Mar. 20, 1889 Granted: Nov. 12, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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