US Patent: 340,410
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Pipe Wrench
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Patentee:
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Isaac Anderson (exact or similar names) - Saginaw, MI |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Aug. 03, 1885 |
Granted: |
Apr. 20, 1886 |
Patent Pictures:
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Isaac Anderson patent April 20, 1886 |
USPTO (New site tip) Google Patents
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Stan Schulz
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Description: |
A compound leverage wrap-around jaw design.
Anderson's March 8, 1887 patent (no. 359,197) refined the design. |
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