Patents by Inventor Wayne W. Anderson

Wayne W. Anderson 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).

  • Hypodermic syringe with needle guard
    Patent number: 5267972
    Abstract: A hypodermic syringe with cylindrical guard that surrounds the needle and its tip at all times will protect medical personnel from possible injury from contaminated needles. The needle guard retracts into a cylindrical cavity when pressed against a patient and extends by a spring when the needle is withdrawn.
    Type: Grant
    Filed: July 20, 1992
    Date of Patent: December 7, 1993
    Inventor: Wayne W. Anderson