US Patent: 404,769
|
| Wrench
|
|
Patentee:
|
|
| Edward S. Boynton (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Nov. 26, 1888 |
| Granted: |
Jun. 04, 1889 |
|
Patent Pictures:
|
|
Edward S. Boynton patent June 4, 1889 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The invention introduces an adjustable stop into the "throat" of an alligator wrench to prevent the wrench from collapsing pipe.
This patent was not used, but Boynton's parallel patent (no. 404,770) was used in larger sizes of the BOYNTON pipe wrench. |
|
