US Patent: 384,743
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| Wrench
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Patentee:
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| Belden Thomas Bryan (exact or similar names) - Evansville, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 24, 1888 |
| Granted: |
Jun. 19, 1888 |
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Patent Pictures:
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Belden Thomas Bryan patent June 19, 1888 |
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Stan Schulz
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Description: |
| A pinion gear inside the movable jaw engages rack teeth on the main shank. Ratchet teeth on both sides of the pinion gear are held by spring pawls that can be retracted by a thumb lever. |
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