US Patent: 206,463
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| Improvement in Squares
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Patentee:
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| Stephen Lonergan (exact or similar names) - Lewiston, ME |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 08, 1878 |
| Granted: |
Jul. 30, 1878 |
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Russ Allen.
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Description: |
| Combination try-square, T-square, and bevel square. Half of handle can rotate and be locked to form "T" or bevel. A second blade is also contained within the moveable half of the handle and can be set to any position. |
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