Patents Assigned to Circle Rubber Corporation
  • Prophylactic device
    Patent number: D246117
    Type: Grant
    Filed: July 24, 1975
    Date of Patent: October 18, 1977
    Assignee: Circle Rubber Corporation
    Inventor: Tadao Okamoto
  • Prophylactic device
    Patent number: D246118
    Type: Grant
    Filed: July 24, 1975
    Date of Patent: October 18, 1977
    Assignee: Circle Rubber Corporation
    Inventor: Tadao Okamoto
  • Prophylactic device
    Patent number: D246119
    Type: Grant
    Filed: July 24, 1975
    Date of Patent: October 18, 1977
    Assignee: Circle Rubber Corporation
    Inventor: Tadao Okamoto