Patents by Inventor Douglas L. Rash

Douglas L. Rash has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Infusion catheter assembly
    Patent number: 4231367
    Abstract: An infusion catheter assembly, which includes a catheter unit and an insertion needle unit, is provided with fins extending from the head of the insertion needle unit. The fins may be gripped by the fingers and pivoted inward to firmly engage the catheter unit during insertion of the catheter unit into a vein.
    Type: Grant
    Filed: October 19, 1977
    Date of Patent: November 4, 1980
    Assignee: Viggo AB
    Inventor: Douglas L. Rash