US Patent: 482,109
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Pipe Wrench
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Patentee:
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William J. Walker (exact or similar names) - St. Louis, MO |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jul. 08, 1892 |
Granted: |
Sep. 06, 1892 |
Patent Pictures:
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William J. Walker patent September 6, 1892 |
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Stan Schulz
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Description: |
Rack and spur quick adjust pipe wrench jaw. Adjustment held by spring tension.
Improved by November 11, 1892 patent no. 491,255. |
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