US Patent: 539,311
|
| Screw Wrench
|
|
Patentee:
|
|
| William R. Sherman (exact or similar names) - Secretary, MD |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Nov. 16, 1892 |
| Granted: |
May 14, 1895 |
|
Patent Pictures:
|
|
William R. Sherman patent May 14, 1895 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The patent claims the angular notched jaw and some aspects of the jaw openings set at angles to the main shank. The patent also includes the supplemental spring clamp which can be firmly held in any of the adjustable openings, and by sliding the collar form an adjustable socket to grip nuts in recesses and corners. |
|
