Title:
Writing instrument
United States Patent 2513380


Inventors:
Townsend, Samuel E.
Application Number:
US73307347A
Publication Date:
07/04/1950
Filing Date:
03/07/1947
Assignee:
ESTERBROOK PEN COMPANY
Primary Class:
Other Classes:
401/216, 401/250
International Classes:
B43K7/10; B43K8/00
View Patent Images:
US Patent References:
2430023Writing implement1947-11-04
2292381Fountain pen feed1942-08-11
2149557Fountain pen1939-03-07
1527971Pen1925-03-03