US Patent: D271,185
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| Measuring caliper
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Patentee:
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| Andrew J. Dermond (exact or similar names) - Philadelphia, PA |
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Patent Dates:
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| Applied: |
Nov. 02, 1981 |
| Granted: |
Nov. 01, 1983 |
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Jeff Joslin
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Description: |
| This caliper is adapted for measuring nuts in imperial and metric sizes. It was manufactured out of brass by auto parts maker Dorman Products. |
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