US Patent: 400,722
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Ratchet Wrench
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Patentee:
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William H. Whitmore (exact or similar names) - Cleveland, OH |
USPTO Classifications: |
81/63 |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jun. 23, 1888 |
Granted: |
Apr. 02, 1889 |
Patent Pictures:
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William H. Whitmore patent April 2, 1889 |
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Stan Schulz
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Description: |
Ratchet with adjustable jaw socket. The jaws of the socket are held open by a spring. |
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