US Patent: 172,180
|
Improvement in Plow-Clevis
|
Patentee:
|
|
John Schofield (exact or similar names) - Moline, IL |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Nov. 06, 1875 |
Granted: |
Jan. 11, 1876 |
Patent Pictures:
|
|
John Schofield Pat. January 11, 1876 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
The wrench-headed pin in this patent is specifically mentioned in the text. |
|