US Patent: 207,182
|
Pipe-Wrench Improvements in Pipe and Nut Wrenches
|
|
Patentee:
|
|
| Benjamin S. Hyers (exact or similar names) - Pekin, IL |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Jun. 08, 1878 |
| Granted: |
Aug. 20, 1878 |
|
Patent Pictures:
|
|
Benjamin S. Hyers patent August 20, 1878 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The double linkage changes the distance between the jaws as the movable jaw partially rotates in relation to the fixed jaw. |
|