US Patent: D42,347
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Design for a Level
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Patentee:
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Andrew D. Armstrong (exact or similar names) - Chicago, IL |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 21, 1911 |
Granted: |
Mar. 26, 1912 |
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Russ Allen.
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Description: |
Ornamental design for a level that is attached externally to a board. Patent term of 7 years.
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