US Patent: 79,665
|
Wrench Improvement in Pipe-Wrenches
|
Patentee:
|
|
John Madden (exact or similar names) - Cleveland, OH |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Granted: |
Jul. 07, 1868 |
Patent Pictures:
|
|
John Madden Pat. July 7, 1868 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
The patent is for a supplementary pipe jaw that is applied to the outer jaw of a monkey wrench. |
|