US Patent: 492,401
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Wrench
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Patentee:
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William H. Kaltenbeck (exact or similar names) - Middlesborough, KY |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jun. 10, 1892 |
Granted: |
Feb. 28, 1893 |
Patent Pictures:
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William H. Kaltenbeck patent February 28, 1893 |
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Stan Schulz
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Description: |
A quick-adjust mechanism where a collar with an eliptical shaped interior acts as clamping device for the movable jaw. |
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