Screw driver aligning tool
United States Patent 2565505
US Patent References:
/0734204.html
- - 0734204

/1301165.html
- - 1301165

Screwdriver
- - 1333437

Screw-operating device
- - 1447626

Valve-grinding tool
- - 1591400


Inventors:
Lamb, William J.
Publication Date:
08/28/1951
View Patent Images:
Download PDF 2565505 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
ARMSTRONG CORK CO
Primary Class:
81/451
Other Classes:
81/462
International Classes:
B25B15/02; B25B23/00; B25B15/00
US Patent References:
1698521Screw-driving chuck
1882462Spanner wrench
1909366Tool
1930859Means for removing spindles and cups from bicycle bearings and the like
2160794Building construction
2235235Tool
Foreign References:
FR686370A