Patents by Inventor Judith Ann Ladd

Judith Ann Ladd 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).

  • Apparatus for separating molecules
    Patent number: 6296752
    Abstract: Provided is an apparatus for separating, in a medium, a component from a composition comprising: (1) an array of three or more electrodes arrayed along a pathway along which molecules of the composition are transported; and (2) a power source device for delivering to voltage to the electrodes; wherein the voltages delivered to the electrode array by the power source device are effective to: (a) alter the relative movement along the transport pathway of two or more of the molecules caused by a motive force, or (b) cause the molecules to move along the transport pathway.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: October 2, 2001
    Assignee: Sarnoff Corporation
    Inventors: Sterling Eduard McBride, Satyam Choudary Cherukuri, Rajan Kumar, Judith Ann Ladd, Zhonghui Hugh Fan, Bryan Lloyd Bentz, Peter J. Zanzucchi
  • Final print medium having target regions corresponding to the nozzle of print array
    Patent number: 6231177
    Abstract: A final print medium for receiving fluid to form an image has a plurality of target regions formed for receiving the fluid, wherein the target regions are separated by hydrophobic regions. The target regions and the hydrophobic regions are configured to receive the fluid from corresponding nozzles of a print array.
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: May 15, 2001
    Assignee: Sarnoff Corporation
    Inventors: Satyam C. Cherukuri, Judith Ann Ladd, Sterling E. McBride, Pamela K. York