Patents by Inventor Stephen C. Chai

Stephen C. Chai 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).

  • INSTRUMENT SEAL
    Publication number: 20210213269
    Abstract: A medical device may include a septum seal including a septum wall having portions defining a septum opening, and a plurality of flaps extending over the septum seal toward the septum opening, wherein the flaps define a flap opening that overlaps with the septum opening.
    Type: Application
    Filed: May 8, 2019
    Publication date: July 15, 2021
    Inventors: Nathan A. Venskytis, Douglas S. Langley, Jake A. Luckman, Stephen C. Chai