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2401321
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Information
Patent Grant
2401321
References
Source
Patent Number
2,401,321
Date Filed
Not available
Date Issued
Tuesday, June 4, 1946
78 years ago
CPC
B43L9/16 - Features common to compasses, dividers, and callipers
B43L9/025 - Compasses with parallel legs
US Classifications
033 - Geometrical instruments
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