US Patent: 551,311
|
| Wrench
|
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Oct. 19, 1895 |
| Granted: |
Dec. 10, 1895 |
|
Patent Pictures:
|
|
Matthew C. Gay and Joseph Heard patent December 10, 1895 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Swinging hook jaw with a leaf spring to hold it in engagement with the work piece; alternate interchangeable jaw forms are included for pipe or pipe and nuts both. |
|