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US Patent: 341,081
Compass Attachment for Pencils
Patentee:
Edward Weissenborn (exact or similar names) - Jersey City, NJ

USPTO Classifications:
33/27.02, 401/52

Tool Categories:
layout tools : compasses

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. F. Van Boskerck
Charles G. Cole
Patent Dates:
Applied: May 05, 1885
Granted: May 04, 1886

Patent Pictures:
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