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US Patent: 730,105
Proportional Dividers
Patentee:
Charles Fosby (exact or similar names) - Rutherford, NJ

USPTO Classifications:
33/558.02

Tool Categories:
layout tools : compasses : dividers

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Charles R. Searle
Robert Connor
Patent Dates:
Applied: Sep. 05, 1902
Granted: Jun. 02, 1903

Patent Pictures: [ 1 | 2 | 3 ]
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Description:
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