Patents by Inventor Robert L. Harshman

Robert L. Harshman 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).

  • Gas-pressure-regulated needleless injection system
    Patent number: 5024656
    Abstract: A system is provided that is useful for hypodermic injection of medication without piercing the skin with a needle. The system includes a gas pressure actuated needleless hypodermic injection device for injecting medication through the skin. The injection device includes an injector assembly having an injector body with a chamber for a compressed gas container and an ampule assembly mounted on the injector body for containing the liquid medication. The system also includes an adaptor assembly for use on a medication vial for transferring medication to the ampule assembly.
    Type: Grant
    Filed: August 30, 1988
    Date of Patent: June 18, 1991
    Assignee: Injet Medical Products, Inc.
    Inventors: Jack S. Gasaway, J. Stuart Parsons, Robert L. Harshman