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Title:
Double-ended ball point pen
United States Patent 3077184
Inventors:
Vogel, Jerome P.
Application Number:
US84588759A
Publication Date:
02/12/1963
Filing Date:
10/12/1959
Assignee:
LINDY PEN CO INC
Primary Class:
Other Classes:
D19/163
International Classes:
B43K27/12
View Patent Images:
US Patent References:
2505267Writing implement1950-04-25
1303944N/A1919-05-20
0982504N/A1911-01-24
0613453N/A1898-11-01
0272931N/A1883-02-27
Foreign References:
IT373700B
DE802229C1951-02-05