US Patent: 449,722
|
Wrench Wrench for Pipe-Work
|
Patentee:
|
|
Abel C. Whittier (exact or similar names) - Boston, MA |
USPTO Classifications: |
81/93 |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
May 20, 1890 |
Granted: |
Apr. 07, 1891 |
Patent Pictures:
|
|
Abel C. Whittier patent April 7, 1891 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
Movable jaw with spring-loaded rocking gripping portion is adjusted by a screw on the back side of the shank. |
|