US Patent: 729,504
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| Wrench
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Patentee:
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| George McKercher (exact or similar names) - Jackson, MI |
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Patent Dates:
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| Applied: |
Oct. 09, 1902 |
| Granted: |
May 26, 1903 |
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Patent Pictures:
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1 | 2
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George McKercher Pat. May 26, 1903 |
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Stan Schulz
McKercher Pipe Wrench (IRON AGE) - FLICKR
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Description: |
| The adjustable jaw is held in place by a flat spring. The wrench corresponding to this design was produced, marked with the patent date of McKercher's Feb. 13, 1900 patent (no. 643,522). |
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