US Patent: 938,319
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| Wrench
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Patentee:
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| Edward D. Hamilton (exact or similar names) - Mattoon, IL |
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Patent Dates:
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| Applied: |
Dec. 29, 1908 |
| Granted: |
Oct. 26, 1909 |
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Patent Pictures:
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Edward D. Hamilton patent Oct. 26, 1909 |
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Stan Schulz
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Description: |
| Reversible adjustable jaw which allows pipe or nut gripping action in two angles in relation to the handle. The adjustment is held by a swinging wire loop that engages one of a series of notches on the shank of the movable jaw.
One known example is marked GRIP NUT COMPANY CHICAGO NEW YORK / PAT OCT. 26th, 1909; another with a sliding grip piece to engage the notches is marked HAMILTON HANDY WRENCH / PAT'D OCT. 26, 1909. |
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