US Patent: 94,266
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| Improvement in Clamp-Screw for Calipers &c.
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Patentee:
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| Daniel Wright, Jr. (exact or similar names) - Waltham, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Aug. 31, 1869 |
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Ralph Brendler
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Description: |
| This patent covers a quick-release screw mechanism to allow a caliper to be quickly adjusted to approximate size and then find-tuned. |
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