US Patent: 743,019
|
Pipe Wrench
|
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
May 19, 1902 |
Granted: |
Nov. 03, 1903 |
Patent Pictures:
|
|
David Nelson patent November 3, 1903 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
An adjustable alligator wrench type pipe wrench. A pin with compression spring rocks the adjustable jaw against a second pin which holds the adjustment. |
|