US Patent: 587,529
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| Wrench
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Patentees:
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| Joseph F. Jansohn (exact or similar names) - Cleveland, OH |
| Edwin R. Minhinnick (exact or similar names) - Cleveland, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 06, 1896 |
| Granted: |
Aug. 03, 1897 |
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Patent Pictures:
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Joseph F. Jansohn and Edwin R. Minhinnick patent August 3, 1897 |
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Stan Schulz
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Description: |
| Rack teeth on the inner face of the movable jaw engage a spring loaded bar with rack teeth inset in a slot in the main shank. The bar can be depressed into the slot to allow free movement of the adjustable jaw. |
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