Patents by Inventor David Philip Hamblen

David Philip Hamblen 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).

  • Patent number: 4053381
    Abstract: A device and a method are disclosed for determining ion activity in liquids by the use of electrodes, particularly comprising an electrode mounting frame and transport means for promoting ionic migration between electrodes in the frame. Preferably, such electrodes are ion-selective electrodes.
    Type: Grant
    Filed: May 19, 1976
    Date of Patent: October 11, 1977
    Assignee: Eastman Kodak Company
    Inventors: David Philip Hamblen, Clyde Pershing Glover, Sang Hyung Kim