US Patent: 93,688
|
| Pipe Wrench
|
|
Patentee:
|
|
| William H. Downing (exact or similar names) - Pioneer, PA |
| USPTO Classifications: |
| 81/95 |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Granted: |
Aug. 17, 1869 |
|
Patent Pictures:
|
|
Wm. H. Downing Pat. Aug. 17, 1869 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The gripping surface is a toothed disk that pivots on an off-center pin. The disk's position in relation to the fixed jaw is adjustable by a bolt connected to a secondary handle. |
|
