US Patent: 500,025
|
| Automatic Wrench
|
|
Patentee:
|
|
| James H. Montgomery (exact or similar names) - Denver, CO |
| USPTO Classifications: |
| 81/99 |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Jan. 16, 1893 |
| Granted: |
Jun. 20, 1893 |
|
Patent Pictures:
|
|
James H. Montgomery patent June 20, 1893 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Hook jaw pipe wrench with a secondary sleeve handle connected to the main shank by a tension spring and to the swinging hook jaw by a connecting link. To open the jaws, hold the sleeve handle in one hand, and push on the end of the main shank with the other. |
|
