US Patent: 1,430,004
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| Method of Making Socket Wrench Heads
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Patentee:
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| Hjalmar G. Carlson (exact or similar names) - Worcester, Worcester County, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 05, 1919 |
| Granted: |
Sep. 26, 1922 |
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Patent Pictures:
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Halmar G. Carlson patent Sept. 26, 1922 |
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Stan Schulz
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Description: |
| The patent describes processes and techniques to form wrench sockets from sheet metal blanks, and attach them to handles.
Application renewed 20 Feb 1922 |
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