US Patent: 1,081,700
|
| Wrench
|
|
Patentee:
|
|
| Frank W. Riesenberg (exact or similar names) - Chicago, IL |
| USPTO Classifications: |
| 81/70 |
|
|
Patent Dates:
|
| Applied: |
Apr. 24, 1913 |
| Granted: |
Dec. 16, 1913 |
|
Patent Pictures:
[
1 | 2
]
|
|
Frank W. Riesenberg patent Dec. 16, 1913 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Chain wrench; the chain is held by a notch in the shank. The actual production wrench matches Riesenberg's March 7, 1916 patent (no. 1,174,764), even though it is marked with the Dec. 16, 1913 patent date.
It was advertised in 1915 and early 1916. |
|
){kind=link}
){kind=link}