Patents by Inventor Douglas Lawrence

Douglas Lawrence 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: 5843646
    Abstract: Isolated DNA molecules comprising a nucleotide sequence encoding murine son of sevenless gene 1 (mSOS1) polypeptide and comprising a nucleotide sequence encoding murine son of sevenless gene 2 (mSOS2) polypeptide are disclosed, as well as isolated mSOS1 polypeptide and isolated mSOS2 polypeptide, and diagnostic methods using the same.
    Type: Grant
    Filed: October 17, 1994
    Date of Patent: December 1, 1998
    Assignee: Howard Florey Institute of Experimental Physiology and Medicine
    Inventor: David Douglas Lawrence Bowtell
  • Patent number: 5748813
    Abstract: An optical communication system for free space communication includes an optical source including a modulator to modulate the optical output to provide an optical signal. The optical source is connected to an optical fiber to pass the signal therealong. The optical fiber includes an antenna having an optical fiber transmit portion with a core, and a cladding, the cladding including at least one substantially flat surface extending along its length and arranged to couple light out of the optical fiber through the substantially flat surface(s). A scattering structure scatters into free space light thus coupled out of the fiber.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: May 5, 1998
    Assignee: British Telecommunications pubic limited company
    Inventors: Stephen Anthony Cassidy, Peter Paul Smyth, Douglas Lawrence Williams, Trevor Keith White