US Patent: 14,528
|
Wrench
|
Patentee:
|
|
William Warwick (exact or similar names) - Pittsburgh, PA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Granted: |
Mar. 25, 1856 |
Patent Pictures:
|
|
William Warwick Pat. Mar. 25, 1856 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
This rack wrench has the spring-loaded pawl inside the adjustable jaw, and engaging a rack cut in the edge of a recess in one side of the main bar. |
|