US Patent: 513,233
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Nut Wrench
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Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Mar. 02, 1893 |
Granted: |
Jan. 23, 1894 |
Patent Pictures:
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James Hardy and Broad Dunn patent January 23, 1894 |
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Stan Schulz
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Description: |
The adjusting screw is concealed within the movable jaw. The specifications note patent no. 56,460 as similar. |
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