Patents Assigned to Pentel Kabushiki Kaisha d.b.a. Pentel Co., Ltd.
  • Pen cap or similar article
    Patent number: D266856
    Type: Grant
    Filed: November 3, 1980
    Date of Patent: November 9, 1982
    Assignee: Pentel Kabushiki Kaisha d.b.a. Pentel Co., Ltd.
    Inventor: Shigeo Oka
  • Pen or similar article
    Patent number: D271212
    Type: Grant
    Filed: March 12, 1982
    Date of Patent: November 1, 1983
    Assignee: Pentel Kabushiki Kaisha d.b.a. Pentel Co., Ltd.
    Inventor: Kunio Itoh