US Patent: 200,348
|
Wrench
|
Patentee:
|
|
Solomon Schwerdt (exact or similar names) - Roseville, IL |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Dec. 29, 1877 |
Granted: |
Feb. 12, 1878 |
Patent Pictures:
|
|
Solomon Schwerdt patent February 12, 1878 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
The patent is for the spring-loaded "stirrup" in the movable jaw and the corresponding grooves in the movable jaw and notches in the main shank. |
|