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BALL POINT PEN FOR WATER SOLUBLE INK
US 3,533,708 A
Filed
: 11/14/1968
Issued
: 10/13/1970
Est. Priority Date
: 11/16/1967
Status: Expired due to Term
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Current Assignee
Horie Yukio
Original Assignee
Horie Yukio
Inventors
HORIE YUKIO
Application Number
US04/775,756
Time in Patent Office
698 Days
Field of Search
US Class Current
401/209
CPC Class Codes
B43K 7/105
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