US Patent: 422,779
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| Jack Wrench For Oiling Vehicle Wheels
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Patentee:
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| Fred. M. Henshaw (exact or similar names) - Dallas, TX |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 27, 1889 |
| Granted: |
Mar. 04, 1890 |
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Patent Pictures:
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Fred M. Henshaw patent March 4, 1890 |
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Stan Schulz
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Description: |
| A clamp-type socket wrench (not shown clearly in the drawing) slides on the frame, where it also serves as part of the lifting device.
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