Title:
Writing instruments
United States Patent 3030925


Inventors:
Joseph, Dyson John
Application Number:
US66612157A
Publication Date:
04/24/1962
Filing Date:
06/17/1957
Assignee:
PARKER PEN CO
Primary Class:
Other Classes:
401/209
International Classes:
B43K5/00; B43K7/00
View Patent Images:
Foreign References:
CH213442A1941-02-15
BE531128A