US Patent: 580,905
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Wrench
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Patentee:
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Charles H. Shank (exact or similar names) - Noblesville, IN |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
May 06, 1896 |
Granted: |
Apr. 20, 1897 |
Patent Pictures:
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Charles H. Shank patent April 20, 1897 |
USPTO (New site tip) Google Patents
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Stan Schulz
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Description: |
Adjustable socket wrench for brace; the jaws open by an internal spring, and adjust to size by a rotating collar with internal cams. |
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