US Patent: 722,665
|
| Wrench
|
|
Patentee:
|
|
| Melvin Barber (exact or similar names) - Oklahoma City, OK |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Feb. 13, 1902 |
| Granted: |
Mar. 17, 1903 |
|
Patent Pictures:
|
|
Melvin Barber Pat. March 17, 1903 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The patent is for the interrupted threads on the shank and inside the adjusting sleeve, and the spring which tends to close the jaws, and also is part of the adjustment locking feature. |
|
