US Patent: 1,000,724
|
| Pipe Wrench
|
|
Patentee:
|
|
| William H. Duffey (exact or similar names) - South Bethlehem, PA |
|
|
Patent Dates:
|
| Applied: |
Sep. 08, 1910 |
| Granted: |
Aug. 15, 1911 |
|
Patent Pictures:
[
1 | 2
]
|
|
William H. Duffey patent August 15, 1911 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Screw adjustment for size, with cam action for the final grip. The opening is pretty much in line with the handle, which should facilitate gripping pipe in tight quarters and against walls and other flat surfaces. |
|
){kind=link}
){kind=link}