Patents by Inventor John F. Levis

John F. Levis 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).

  • Single unit dose inhalation therapy device
    Patent number: 6062213
    Abstract: A single dose device for delivering an active substance via the nostrils or mouth is portable, lightweight, compact and easily hand-held.
    Type: Grant
    Filed: June 16, 1998
    Date of Patent: May 16, 2000
    Assignee: Fuisz Technologies Ltd.
    Inventors: Richard C. Fuisz, B. Arlie Bogue, John F. Levis