US Patent: 347,179
|
| Wrench Attachment
|
|
Patentees:
|
| William Alexander Kelly (exact or similar names) - East Tawas, MI |
| Charles Henderson Hubbell (exact or similar names) - East Tawas, MI |
|
|
Patent Dates:
|
| Applied: |
Nov. 23, 1885 |
| Granted: |
Aug. 10, 1886 |
|
Patent Pictures:
[
1 | 2
]
|
|
William A. Kelly and Charles H. Hubbell patent August 10, 1886 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| This wedge-shaped block with gripping teeth and a spring clip to attach it to the movable jaw of a monkey wrench is a pipe grip.
A known example has sufficient visible markings to infer that Kelly and Hubbell produced it at East Tawas, MI.
Corresponding Canadian patent CA-27,019 was granted June 22, 1887, |
|
){kind=link}
){kind=link}