US Patent: 602,590
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| Pipe Wrench
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Patentee:
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| Lorin C. Springer (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. 04, 1897 |
| Granted: |
Apr. 19, 1898 |
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Patent Pictures:
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Lorin C. Springer patent April 19, 1898 |
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Stan Schulz
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Description: |
| A spring works to close the jaws. The secondary lever handle opens the jaws. It also has a pivot tooth that engages notches in a rack on the main shank to set the size.
Offield, Towle & Luther Crew - patent attorneys
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