US Patent: 474,987
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Wrench
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Patentee:
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William Church (exact or similar names) - St. Paul, MN |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Aug. 04, 1891 |
Granted: |
May 17, 1892 |
Patent Pictures:
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William Church patent May 17, 1892 |
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Stan Schulz
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Description: |
Combination pipe and nut wrench includes an intermediate jaw piece with pipe grip on one side and flat on the other. The adjustment of the movable is held by a secondary lever handle with teeth that engage a rack on the main shank. The lever also provides extra clamping motion for the movable jaw. |
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