US Patent: 383,334
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Wrench
Improvements in Vise-Wrenches
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Patentee:
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| John D. Abbott (exact or similar names) - Reading, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 08, 1888 |
| Granted: |
May 22, 1888 |
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Patent Pictures:
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John D. Abbott patent May 22, 1888 |
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Stan Schulz
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Description: |
| The cone-shape adjusting wing nut clamps the jaws onto an axle nut so it can be screwed on or off and held securely while it is off the axle. |
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