US Patent: 280,673
|
| Wrench
|
|
Patentee:
|
|
| Carl Schinke (exact or similar names) - St. Louis, MO |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Jan. 27, 1883 |
| Granted: |
Jul. 03, 1883 |
|
Patent Pictures:
|
|
Carl Schinke patent July 3, 1883 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Self-adjusting nut wrench. This would have been very clumsy as the working opening is so small in relation to the overall size.
Ken Cope's "American Wrench Makers 1830-1930" asserts the St. Louis Iron and Machine Works produced the wrench, based on the assignment. |
|
