Patents by Inventor Calvin L. Keeler, Jr.

Calvin L. Keeler, Jr. 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).

  • Recombinant infectious laryngotracheitis virus
    Patent number: 5279965
    Abstract: The present invention is concerned with the preparation of an Infectious Laryngotracheitis Virus (ILTV) mutant which does not produce a functional thymidine kinase enzyme as a result of a mutation in the TK gene, and its preparation.The invention also relates to an ILTV mutant containing a heterologous gene encoding an antigen of an avian pathogen incorporated into the TK gene. Such an ILTV mutant can be applied as a vector vaccine to induce an immune response after infection of an appropriate host animal.
    Type: Grant
    Filed: April 5, 1991
    Date of Patent: January 18, 1994
    Inventor: Calvin L. Keeler, Jr.