Screw holder and starter
United States Patent 2532972
US Patent References:
/0816777.html
- - 0816777
/0954073.html
- - 0954073
/1027877.html
- - 1027877
/1408275.html
- - 1408275
Tool
- - 1839805
/0816777.html
- - 0816777
/0954073.html
- - 0954073
/1027877.html
- - 1027877
/1408275.html
- - 1408275
Tool
- - 1839805
Inventors:
Vertin, Donald D.
Publication Date:
12/05/1950
View Patent Images:
Export Citation:
Assignee:
Vertin, Donald D.
Primary Class:
Other Classes:
294/99.200, 81/112, 81/13, 81/345, 294/100
International Classes:
B25B23/10; B25B23/02
US Patent References:
| 2370407 | Screw driver |
Foreign References:
| GB189315985A | ||||
| GB190413985A | ||||
| DE156269C | ||||
| FR427471A |