Patents Assigned to Vertex Services, Ltd.
  • Patent number: D346709
    Type: Grant
    Filed: January 15, 1992
    Date of Patent: May 10, 1994
    Assignee: Vertex Services, Ltd.
    Inventor: Tokihiko. Nagao
  • Patent number: D348573
    Type: Grant
    Filed: March 3, 1992
    Date of Patent: July 12, 1994
    Assignee: Vertex Services Ltd.
    Inventor: Donald C. Ewald