US Patent: D29,520
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| Wrench Frame
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Patentee:
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| Charles H. Metz (exact or similar names) - Waltham, MA |
| USPTO Classifications: |
| D8/22 |
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Patent Dates:
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| Applied: |
Aug. 22, 1898 |
| Granted: |
Oct. 18, 1898 |
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Patent Pictures:
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Charles H. Metz Patent October 18, 1898 |
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Stan Schulz
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Description: |
| The square stud on the back angle of the fixed jaw is the prominent feature of this design. The stud feature appears on at least two bicycle wrenches of the period. One is marked only PAT*D OCT 18, 1898. The other is a variant of the Schrader Adjustable Wrench and Spanner based on pat. nos. 582,238 and 644,033. |
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