US Patent: 443,216
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| Wrench
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Patentees:
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| Frederick John Biel (exact or similar names) - Terre Haute, IN |
| Joseph Selvester Urban (exact or similar names) - Terre Haute, IN |
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Patent Dates:
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| Applied: |
Feb. 13, 1890 |
| Granted: |
Dec. 23, 1890 |
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Patent Pictures:
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F. J. Biel and J. S. Urban patent December 23, 1890 |
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Stan Schulz
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Description: |
| Quick adjust, with a spring-loaded link that shifts through a series of notches for size adjustment.
An example sold through an online auction site in 2003. |
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