Patents by Inventor Karl T. Messmer

Karl T. Messmer 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).

  • Methods and apparatus for transmitting data
    Patent number: 7493044
    Abstract: A method of transmitting data includes receiving a plurality of downstream wavelength streams from a first optical fiber, each wavelength stream corresponding to a separate downstream data transmission, passing all downstream streams but at least one downstream targeted-wavelength stream to a second optical fiber, and routing the downstream targeted-wavelength stream to a subscriber on a third optical fiber, wherein the first optical fiber, the second optical fiber, and the third optical fiber are connected to a single device, and wherein the third optical fiber is a drop cable.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: February 17, 2009
    Assignee: Corning Cable Systems, LLC
    Inventors: David R. Kozischek, Karl T. Messmer