Title:
Writing instrument
United States Patent 2868173


Inventors:
Mansheim, Richard J.
Application Number:
US43352154A
Publication Date:
01/13/1959
Filing Date:
06/01/1954
Assignee:
SHEAFFER W A PEN CO
Primary Class:
Other Classes:
401/156
International Classes:
B43K5/00
View Patent Images:
US Patent References:
2769427Writing implements1956-11-06
RE23683N/A1953-07-07
2610612Writing instrument1952-09-16
1557357Fountain pen1925-10-13
Foreign References:
GB190821631A1909-10-13
DE294495C
GB114801A