Patents by Inventor Robert J. Kam

Robert J. Kam 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 infusion device
    Patent number: 5135498
    Abstract: A means for elimination or compression of trapped air spaces in osmotically powered pumps is disclosed in which the housing of the pump is constructed of movable portions so that movement of the said housing portions will force air out of the device or compress it to such an extent that activation of the pump will result in the minimum lag time between activation of the pump and infusate flow.
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: August 4, 1992
    Inventors: Robert J. Kam, Rolf A. Faste, Anthony J. Castro