US Patent: 520,392
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Wrench
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Patentee:
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Charles Carlson (exact or similar names) - Deer Trail, CO |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Mar. 02, 1894 |
Granted: |
May 22, 1894 |
Patent Pictures:
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Charles Carlson patent May 22, 1894 |
USPTO (New site tip) Google Patents
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Stan Schulz
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Description: |
The adjusting nut has stops to limit rotation, and interrupted threads to allow for quick adjustment. |
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