US Patent: 536,301
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| Method of Making Wrenches
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Patentee:
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| John C. Speirs (exact or similar names) - Worcester, MA |
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Patent Dates:
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| Applied: |
Feb. 23, 1894 |
| Granted: |
Mar. 26, 1895 |
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Patent Pictures:
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John C. Speirs Pat. March 26, 1895 |
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Stan Schulz
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Description: |
| The patent describes a process for forming the handle and frame for an adjustable wrench. The main point of the process is the formation of a cylindrical open center which is changed to a flat oval. |
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