Patents by Inventor David Medway

David Medway 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 needle protection device
    Patent number: 4929237
    Abstract: A safety device for preventing contact with exposed contaminated hypodermic needles includes a housing unit, syringe, hypodermic needle, spring for retracting the hypodermic needle and safety elements to prevent accidental removal of the syringe from the housing unit and exposure of the needle.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: May 29, 1990
    Inventor: David Medway