US Patent: 122,308
|
| Improvement in Pipe Tongs
|
|
Patentee:
|
|
| William H. Downing (exact or similar names) - Shamburg, PA |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Granted: |
Jan. 02, 1872 |
|
Patent Pictures:
|
|
William H. Downing Pat. Jan. 2, 1872 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| This is a two-man tool for large pipe. The extension handle can be swung out of the way to allow for sharpening the "tooth" or one-man operation, and the other jaw has a limit screw on the end to prevent crushing the pipe. |
|
