Patents by Inventor William Blaisdell

William Blaisdell 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: 4969870
    Abstract: Apparatus and related method for infusing liquids and drugs into, or aspirating marrow from, the trabecula of a patient's bone. The apparatus enables the user to reliably determine when an enlarged, threaded tip of an infusion/aspiration tube has reached the trabecular bone, and a spring bias ensures that the tip seals the hole formed in cortical bone during the subsequent infusion or aspiration.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: November 13, 1990
    Assignee: The Regents of the University of California
    Inventors: George C. Kramer, William Blaisdell, Jerald M. Henderson, Brian Bay