US Patent: 38,252
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| Improvement in Combined Plumb and Levels
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Patentee:
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| Frederick A. Traut (exact or similar names) - New Britain, CT |
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Patent Dates:
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| Granted: |
Apr. 21, 1863 |
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Patent Pictures:
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Ralph Brendler
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Description: |
| This design by prolific Stanley patent man Frederick Traut (father of even more prolific patent name Justus Traut) features an unusual "drop-in" level/inclinometer mechanism that allows the bubble to be accurately set at any angle between 0 and 90 degrees.
Levels featuring this design were produced by the Stanley Rule and Level company as their #32. |
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