US Patent: 16,844
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Nut Wrench Screw-Wrench
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Patentee:
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Benjamin F. Joslyn (exact or similar names) - Worcester, MA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Mar. 17, 1857 |
Patent Pictures:
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B. F. Joslyn Pat. Mar. 17, 1857 |
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Stan Schulz
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Description: |
The sliding jaw operates in a hollow shank, and is adjusted by a thumb-wheeled screw. |
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