US Patent: 1,456,620
|
Wrench
|
Patentee:
|
|
George W. Cary (exact or similar names) - Greenfield, MA |
USPTO Classifications: |
81/99 |
|
Patent Dates:
|
Applied: |
Oct. 22, 1919 |
Granted: |
May 29, 1923 |
Patent Pictures:
[
1 | 2 | 3
]
|
|
George W. Cary patent May 29. 1923 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
The swinging hook jaw is moved by a lever through a gear-tooth connection. A spring tends to hold the jaw closed.
Marketed as the CHAUFFEUR'S UNIVERSAL WRENCH. It was first brought to the market in early 1921. |
|