US Patent: 422,662
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| Wrench
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Patentee:
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| Joseph Tomlinson, Sr. (exact or similar names) - Folsom, CA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 02, 1889 |
| Granted: |
Mar. 04, 1890 |
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Patent Pictures:
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Joseph Tomlinson, Sr. patent March 4, 1890 |
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Stan Schulz
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Description: |
| Improvement in Tomlinson's March 5, 1889 patent (no. 398,989). The jaws self-adjust to remain parallel.
The handle pivots on the end of the shank, and has enough opening to allow a brace to grip the shank. |
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