US Patent: 410,384
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Wrench
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Patentee:
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Charles A. Swanson (exact or similar names) - Marshall, MN |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 20, 1889 |
Granted: |
Sep. 03, 1889 |
Patent Pictures:
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Charles A. Swanson patent September 3, 1889 |
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Stan Schulz
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Description: |
Self-adjusting "alligator wrench," with an adjustment lock provision. |
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