US Patent: 820,311
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Square and Level
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Patentee:
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Emanuel Oehrle (exact or similar names) - Omaha, NE |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Aug. 01, 1905 |
Granted: |
May 08, 1906 |
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Ralph Brendler
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Description: |
This framing square provides a pivoting level, connected to the square with a protractor scale. |
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