US Patent: 1,272,228
|
| Combination Tool
|
|
Patentee:
|
|
| John L. Dahl (exact or similar names) - Teaneck, NJ |
|
|
Patent Dates:
|
| Applied: |
Feb. 27, 1918 |
| Granted: |
Jul. 09, 1918 |
|
Patent Pictures:
|
|
John L. Dahl patent July 9, 1918 and example. |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Rotating screwdriver with two different sizes of tips. The unused tip sets inside the handle, and the handle can be folded out at right angle for leverage. The center of the blade is recessed so when the thumb screw is tight the parts are interlocked. |
|
