US Patent: 618,899
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| Wrench
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Patentee:
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| William M. Norcross (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 09, 1898 |
| Granted: |
Feb. 07, 1899 |
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Patent Pictures:
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William M. Norcross patent February 7, 1899 |
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Stan Schulz
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Description: |
| The patent is for a modification of the adjusting worm in Milton Wenger's December 1, 1896 patent (no. 572,185). In wrenches of this type, the movable jaw can be closed by finger pressure without turning the adjusting worm. |
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