Title:
Telescoping pen or pencil
United States Patent 2518128
US Patent References:
/0300346.html
- - 0300346

/0575671.html
- - 0575671

/0648576.html
- - 0648576

/0960151.html
- - 0960151

/1050733.html
- - 1050733


Inventors:
Dufilho, Leon G.
Publication Date:
08/08/1950
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Assignee:
Dufilho, Leon G.
Primary Class:
33/809
Other Classes:
403/63
International Classes:
B43K29/08; B43K29/00
Foreign References:
GB190313617A