US Patent: D29,339
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| Design For A Spoke or Nipple Wrench
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Patentee:
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| Christian Birk (exact or similar names) - Buffalo, NY |
| USPTO Classifications: |
| D8/28 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 17, 1898 |
| Granted: |
Sep. 13, 1898 |
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Patent Pictures:
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Christian Birk design patent Sept. 13, 1898 |
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Stan Schulz
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Description: |
| The design has four projecting arms, each arm having two lugs with center notches, for a total of eight sizes. |
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