US Patent: 820,028
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Level
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Patentee:
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Justus A. Traut (exact or similar names) - New Britain, CT |
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Patent Dates:
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Applied: |
Oct. 23, 1905 |
Granted: |
May 08, 1906 |
USPTO (New site tip) Google Patents
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Ralph Brendler
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Description: |
This is a simple screw-based adjustment for level vials. It was used on many Stanley level models, and is a commonly encountered patent marking. |
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