Patents by Inventor Herbert William Bentley

Herbert William Bentley 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).

  • Controlled release device and method
    Patent number: 5980508
    Abstract: A device for dispensing one or more active agents, the device including: a housing (112) having an opening; at least one active agent (118) located within the housing; a driving means (124) located within, or at the closed end of the housing, including an expandable material; and one or more permeable fluid conveying passage(s) adapted to convey fluid from outside the housing to the driving means.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: November 9, 1999
    Assignee: Controlled Release Technologies Pty Ltd
    Inventors: Michael Cardamone, Herbert William Bentley