Retractable tool
United States Patent 2592978
US Patent References:
/0751055.html
- - 0751055

/0814020.html
- - 0814020

/1203853.html
- - 1203853

/1259603.html
- - 1259603

Screw driver
- - 1429861


Inventors:
Trimboli, Frank A.
Publication Date:
04/15/1952
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Assignee:
Trimboli, Frank A.
Primary Class:
81/177.100
Other Classes:
81/436, 16/429, 81/177.200
International Classes:
B25B15/02; B25B23/00; B25B15/00
US Patent References:
1457570Tool handle and the like
1497363Screw driver