US Patent: 550,698
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Wrench
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Patentee:
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Carl Tinglof (exact or similar names) - Boston, MA |
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Patent Dates:
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Applied: |
Aug. 06, 1894 |
Granted: |
Dec. 03, 1895 |
Patent Pictures:
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Carl Tinglof patent December 3, 1895 |
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Stan Schulz
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Description: |
The movable jaw is adjusted by a "turnbuckle" type arrangement with a central adjuster on left- and right-handed threads -- the adjustment is "double speed."
Produced as "THE LEADER" bicycle wrench. |
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