Patents by Inventor John A. Heddle

John A. Heddle 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).

  • System and method for regulation of gene expression
    Patent number: 5968773
    Abstract: The present invention provides a polynucleotide molecule coding for a protein operably linked to a tet operator sequence and at least two promoters. Preferably, the polynucleotide molecule is operably linked to a transrepressor fusion protein comprising a tet repressor and a transcription silencer protein domain.
    Type: Grant
    Filed: November 14, 1997
    Date of Patent: October 19, 1999
    Inventors: John A. Heddle, Roy R. Swiger