Title:
【考案の名称】多芯筆記具
Document Type and Number:
Japanese Patent JP2550233
Kind Code:
Y2
Inventors:
Shigematsu Kiyoto
Application Number:
JP2655291U
Publication Date:
October 08, 1997
Filing Date:
March 28, 1991
Export Citation:
Assignee:
Sailor Pen Co., Ltd.
International Classes:
B43K24/18; (IPC1-7): B43K24/18
Domestic Patent References:
| JP5650686U | ||||
| JP5545549U | ||||
| JP111511Y2 | ||||
| JP217916Y2 |
Attorney, Agent or Firm:
Torasuke Tahara