US Patent: 249,394
|
| Pipe Wrench
|
|
Patentee:
|
|
| Isaac Broadworth Potts (exact or similar names) - Columbus, OH |
| USPTO Classifications: |
| 81/92 |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Sep. 24, 1881 |
| Granted: |
Nov. 08, 1881 |
|
Patent Pictures:
|
|
Isaac B. Potts patent November 8, 1881 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The notch in the main shank, tooth on the movable jaw, and set screw are the main features of this patent. |
|