US Patent: 172,551
|
Wrench Improvement in Coach-Wrenches
|
Patentee:
|
|
James R. Brown (exact or similar names) - Cambridgeport, MA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Dec. 01, 1875 |
Granted: |
Jan. 25, 1876 |
Patent Pictures:
|
|
James R. Brown Pat. January 25, 1876 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
The jaw faces are serrated to grip pipe; depending on the handle angle, the angle of the movable jaw can be adjusted relative to its handle, and a screw at the end of the handle can adjust the jaw's position "up and down." |
|