US Patent: 398,989
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| Wrench
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Patentee:
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| Joseph Tomlinson (exact or similar names) - Folsom, CA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 30, 1888 |
| Granted: |
Mar. 05, 1889 |
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Patent Pictures:
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Joseph Tomlinson patent March 5, 1889 |
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Stan Schulz
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Description: |
| Wedge blocks attached to the handle / shank slide in the frame to close the jaws. Springs hold the jaws open against the wedge block. A thumbscrew in the frame holds the adjustment. The handle can be removed to allow the wrench to operate in a brace.
Improved by pat. no 422,662 on March 4, 1890. |
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