US Patent: 504,698
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Wrench
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Patentee:
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Axel Anderson (exact or similar names) - Attleborough, MA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jul. 15, 1893 |
Granted: |
Sep. 12, 1893 |
Patent Pictures:
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1 | 2
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Axel Anderson patent September 12, 1893 |
USPTO (New site tip) Google Patents
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Stan Schulz
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Description: |
The frame is a "U" with the movable jaw slid over the parallel sides before the fixed jaw is fastened in place.
Patent no. 498,348 is another approach to the concept.
Benjamin Arnold - patent attorney |
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