US Patent: 767,532
|
Pipe Wrench
|
Patentee:
|
|
Charles H. Thurston (exact or similar names) - Boston, MA |
|
Patent Dates:
|
Applied: |
Nov. 03, 1903 |
Granted: |
Aug. 16, 1904 |
Patent Pictures:
[
1 | 2
]
|
|
Charles H. Thurston patent August 16, 1904 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
A spring-tensioned pawl at the base of the swinging hook jaw holds the size adjustment.
A known example is marked, "THE THURSTON / PAT APLD FOR" |
|