US Patent: 598,304
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| Wrench
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Patentee:
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| Isaac A. Cunningham (exact or similar names) - Antrim, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 25, 1897 |
| Granted: |
Feb. 01, 1898 |
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Patent Pictures:
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Isaac A. Cunningham patent February 1, 1898 |
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Stan Schulz
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Description: |
| The adjustable jaws and swinging catches that engage notches around the circumference of the head comprise the major features of this angle-adjustable nut wrench. The object is to adjust the angle of the jaw opening in relation to the handle rather than to achieve ratchet action. |
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