US Patent: 20,055
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| Ruler
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Patentee:
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| Thomas Fisher (exact or similar names) - Camden, NJ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Apr. 27, 1858 |
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Ralph Brendler
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Description: |
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This is a very simple patent covering the inlaying of two rubber strips
into a ruler to prevent it from slipping in use.
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