Title:
万年筆用の重量調整具
Document Type and Number:
Japanese Patent JP4785208
Kind Code:
B2
Inventors:
Naoki Toyokawa
Application Number:
JP2009124673A
Publication Date:
October 05, 2011
Filing Date:
April 28, 2009
Export Citation:
Assignee:
Naoki Toyokawa
International Classes:
B43K5/00; B43K3/00
Domestic Patent References:
| JP2097087U | ||||
| JP2001353237A | ||||
| JP2007152617A |
Attorney, Agent or Firm:
Naoki Toyokawa