US Patent: 1,438,432
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Pitch Square Framing Square with Pitch Attachment
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Patentee:
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John W. Evans (exact or similar names) - Cincinnati, OH |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Oct. 29, 1918 |
Granted: |
Dec. 12, 1922 |
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Ralph Brendler
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Description: |
This framing square offers a secondary arm and reference surfaces to allow it to accurately makr rafters for roofing. |
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