US Patent: 1,049,650
|
| Screwdriver
|
|
Patentee:
|
|
| Rueben B. Benjamin (exact or similar names) - Chicago, IL |
|
|
Patent Dates:
|
| Applied: |
Mar. 07, 1911 |
| Granted: |
Jan. 07, 1913 |
|
Patent Pictures:
[
1 | 2 | 3
]
|
|
|
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Steve Gosselin
|
|
Description: |
| Handle that allows the top to rotate when using light pressure. The top locks to the lower half when more torque is needed by applying pressure to the top of the handle. Samples marked, BENJAMIN and the Patent date. Benjamin had two screwdriver patents issued consecutively on this date,1049649 and 1049650, both similar in design. Also check out Patent 687401 a earlier and similar design. |
|
){kind=link}
){kind=link}
){kind=link}