US Patent: 1,412,702
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Wrench
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Patentee:
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Benjamin Franklin Nightlinger, Sr. (exact or similar names) - Duluth, MN |
USPTO Classifications: |
81/98 |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Feb. 28, 1922 |
Granted: |
Apr. 11, 1922 |
Patent Pictures:
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Benjamin F. Nightlinger, Sr. patent April 11, 1922 |
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Stan Schulz
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Description: |
The unique feature of the patent is the shape of the hook jaw |
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