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Title:
Double-ended ball point pen
United States Patent 3077184
Inventors:
Vogel, Jerome P.
Publication Date:
02/12/1963
Assignee:
LINDY PEN CO INC
Primary Class:
Other Classes:
D19/163
International Classes:
B43K27/12
View Patent Images:
US Patent References:
2505267Writing implement
1303944N/A
0982504N/A
0613453N/A
0272931N/A
Foreign References:
IT373700B
DE802229C