US Patent: 1,672,695
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| Angle Gauge
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Patentee:
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| Robert J.O. Simpson (exact or similar names) - Athol, MA |
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Patent Dates:
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| Applied: |
Jun. 05, 1923 |
| Granted: |
Jun. 05, 1928 |
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Ralph Brendler
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Description: |
| A compact tool for measuring fixed angles. Consists of a bunch of blades, folding into a pocket-knife style sheath. |
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