US Patent: 406,666
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| Combination Wrench
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 19, 1888 |
| Granted: |
Jul. 09, 1889 |
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Patent Pictures:
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Fred J. Pratt and John H. Lane patent July 9, 1889 |
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Stan Schulz
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Description: |
| Quick-adjust bicycle wrench with spoke wrench and screwdriver. The wrench and screwdriver adjustment is held by a toothed pressure plate adjusted by nut.
A known unmarked brass example appears to have been manufactured, but may have been a prototype. |
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