Patents by Inventor David Theobald

David Theobald 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).

  • Publication number: 20060258349
    Abstract: A method in a communication device (106) comprises registering (202) on a first network (102), identified by a first network ID, stored in the communication device. Then receiving, from the service provider, an acting network ID which identifies a second network (104). Storing the acting network ID on the communication device and reprioritizing the second network, identified by the received acting network ID, as the home network. The communication device then registers on the second network in response to the reprioritizing the second network.
    Type: Application
    Filed: May 12, 2005
    Publication date: November 16, 2006
    Inventors: Kent Rager, Marcia Otting, David Theobald
  • Patent number: 3973328
    Abstract: A method and apparatus for drying polyethylene laminated base photographic paper in sheet form. The exposed and processed sheet of photographic paper bearing a photographic image on one side thereof is caused to travel through an enclosed drying chamber. Radiant heat is directed from sources onto both sides of the sheet of photographic paper as it is caused to travel through the drying chamber. The radiant heat is applied for sufficient time to cause any shallow indentation lines on the image side of the photographic paper to disappear. Simultaneously a stream of cool air is caused to flow over the image side of the photographic paper. Both sources are provided with means for directing the radiant heat on to each side respectively of the support.
    Type: Grant
    Filed: April 22, 1974
    Date of Patent: August 10, 1976
    Assignee: Ilford Limited
    Inventor: Donald David Theobald