US Patent: 123,638
|
| Improvement in Screw Wrenches
|
|
Patentee:
|
|
| Charles Neil (exact or similar names) - Sheffield, England |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Aug. 23, 1871 |
| Granted: |
Feb. 13, 1872 |
|
Patent Pictures:
|
|
Charles Neil Pat. Feb. 13, 1872 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
Charles Neil Screw Wrench (Scientific American Mar. 23 ,1872)
|
|
Description: |
| The patented feature is the recess for the adjusting worm, and the protecting lip. The specifications indicate the jaws and handle would be made of malleable cast iron.
The patent is described in the March 23, 1872 SCIENTIFIC AMERICAN. |
|
