Title:
【考案の名称】筆記具
Document Type and Number:
Japanese Patent JPH04102888
Kind Code:
U
Inventors:
Takahiro Okamoto
Application Number:
JP1283991U
Publication Date:
September 04, 1992
Filing Date:
February 14, 1991
Export Citation:
International Classes:
B43K3/00; B43K24/12; B43K24/18; (IPC1-7): B43K24/12; B43K3/00; B43K24/18
Domestic Patent References:
| JPH02146084U | 1990-12-11 | |||
| JPS63212596A | 1988-09-05 | |||
| JPH0313397A | 1991-01-22 |