US Patent: 2,211,507
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Self-Adjusting Pipe Wrench
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Patentee:
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Ralph E. Lilleberg (exact or similar names) - Chicago, IL |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Nov. 23, 1938 |
Granted: |
Aug. 13, 1940 |
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Stan Schulz
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Description: |
Clinton, Wiles, Davies, Hersohl & Dawson - patent attorneys
This patent was cited as prior art in patent no. 2,555,395.
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