Patents by Inventor David M. Lilenfield

David M. Lilenfield 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: 6545667
    Abstract: The present invention is a cursor control device to be used in conjunction with a computer, receiver or other processing unit that allows for convenient and comfortable use while being hand held or while resting on the desk-top. The cursor control device being comprised of a body with a shape for fitting in a user hand so a user can operate the cursor control device in hand held and desk-top uses. The body also being comprised of a cursor control, at least one button, and having a control circuit inside the body, which is connected to at least one button and the cursor control. The device further having a communication link connectable between said control circuit and a processing unit.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: April 8, 2003
    Inventor: David M. Lilenfield