US Patent: 98,515
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Wrench
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Patentee:
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Robert Morrison (exact or similar names) - New York, NY |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Jan. 04, 1870 |
Patent Pictures:
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Robert Morrison Pat. Jan. 4, 1870 |
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Stan Schulz
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Description: |
The cam action of the swinging handle provides extra pressure after the jaws are tightened by a left - and right-hand threaded screw. The wrench is shown with both pipe and nut jaws. |
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