US Patent: 283,378
|
| Pipe Wrench
|
|
Patentee:
|
|
| George W. Cook (exact or similar names) - Chicago, IL |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Mar. 24, 1883 |
| Granted: |
Aug. 21, 1883 |
|
Patent Pictures:
|
|
George W. Cook patent August 21, 1883 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The patented piece is the pipe gripping attachment for a modified monkey wrench. The wrench head has to have notches and holes. The jaw attachment has a swinging gripper, with a spring to hold it in contact with the work piece. |
|
