US Patent: 474,566
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Wrench
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Patentee:
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Silas B. Rittenhouse (exact or similar names) - Liberty Mills, IN |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Sep. 22, 1891 |
Granted: |
May 10, 1892 |
Patent Pictures:
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Silas B. Rittenhouse patent May 10, 1892 |
USPTO (New site tip) Google Patents
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Stan Schulz
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Description: |
Springs between the frame and base of the jaws keep the jaws open. An adjusting rod with fingers has screw adjustment toward the end of the handle. |
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