Patents by Inventor Kenneth K. Lew

Kenneth K. Lew 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: 4756908
    Abstract: An easily cultured worm is genetically modified such that its surface antigens on its modified form are immunologically identical to the surface antigens of a parasitic worm. Specifically, C. elegans is genetically modified to produce antigens corresponding to the antigens of D. immitis which causes heartworm infection. The antigens derived from the easily cultured worm are used to form a vaccine and/or diagnostic.
    Type: Grant
    Filed: June 12, 1985
    Date of Patent: July 12, 1988
    Inventor: Kenneth K. Lew
  • Patent number: 4568639
    Abstract: An easily cultured worm is genetically modified such that its surface antigens on its modified form are immunologically identical to the surface antigens of a parasitic worm. Specifically, C. elegans is genetically modified to produce antigens corresponding to the antigens of D. immitis which causes heartworm infection. The antigens derived from the easily cultured worm are used to form a vaccine and/or diagnostic.
    Type: Grant
    Filed: February 21, 1985
    Date of Patent: February 4, 1986
    Inventor: Kenneth K. Lew
  • Patent number: 4345026
    Abstract: Mutagenicity assay method involving exposing a population of an animal species to a suspected mutagen and then scoring the occurrence, in a subsequent generation, of animals of a size substantially different from that of the exposed population as a measure of the mutagenicity of the suspected mutagen.
    Type: Grant
    Filed: January 12, 1981
    Date of Patent: August 17, 1982
    Assignee: The Children's Hospital Medical Center
    Inventor: Kenneth K. Lew