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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:
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