US Patent: 529,196
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| Pipe Wrench
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Patentee:
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| Mike H. Riza (exact or similar names) - Centre Mill, TX |
| USPTO Classifications: |
| 81/97 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 18, 1894 |
| Granted: |
Nov. 13, 1894 |
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Patent Pictures:
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Mike H. Riza patent November 13, 1894 |
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Stan Schulz
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Description: |
| The surface of the cam-lever jaw is the arc of a circle; the spring holds the cam-lever jaw in contact with the work piece.
The specifications contrast the operation with the Corteleyou May 10, 1887 patent (no. 362,819). |
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