US Patent: 267,381
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| Bevel and Gage
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Patentee:
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| John Springer Thornburg (exact or similar names) - Clinton, IA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 13, 1882 |
| Granted: |
Nov. 14, 1882 |
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Russ Allen.
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Description: |
| Combined bevel and extension rule where nearly the entire ruled blade can either be inserted or extended to facilitate measurements. |
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