US Patent: 1,066,013
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| Level
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Patentee:
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| Fred Henning (exact or similar names) - Austin, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 26, 1911 |
| Granted: |
Jul. 01, 1913 |
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Ralph Brendler
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Description: |
| This is a simple level made of sheet metal, with a spring clip to allow it to be attached to the leg of a framing square. |
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