Title:
Writing implements
United States Patent 2784699


Inventors:
Sheaffer, Craig R.
Application Number:
US31903152A
Publication Date:
03/12/1957
Filing Date:
11/06/1952
Assignee:
SHEAFFER W A PEN CO
Primary Class:
Other Classes:
401/144
International Classes:
B43K5/00
View Patent Images:
US Patent References:
2670711Fountain pen1954-03-02
2648309Fountain pen1953-08-11
2603189Fountain pen1952-07-15
2522554Fountain pen1950-09-19
2462929Fountain pen1949-03-01
1567527Fountain pen1925-12-29
Foreign References:
GB642437A1950-09-06