Patents by Inventor Richard L. Mueller, Jr.

Richard L. Mueller, Jr. 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).

  • Patent number: 4577637
    Abstract: A combined radiopaque indicator and lumen plug for a multi-lumen catheter is made of a flexible, coiled metal spring having balled ends formed by resistance welding the ends of the coiled spring. The coiled spring plug is affixed within one or more lumens of a catheter to provide a radiopaque indicator.
    Type: Grant
    Filed: July 13, 1984
    Date of Patent: March 25, 1986
    Assignee: Argon Medical Corp.
    Inventor: Richard L. Mueller, Jr.