Patents by Inventor Paul D Shirk

Paul D Shirk 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).

  • PiggyBac transposon-based genetic transformation system for insects
    Patent number: 6551825
    Abstract: The present invention is directed to nucleic acid and amino acid sequences for transformation constructs containing piggyBac or tagalong transposable elements. These constructs allow for the precise excision and insertion of heterologous DNA into a host cell.
    Type: Grant
    Filed: June 19, 2000
    Date of Patent: April 22, 2003
    Assignees: The United States of America, as represented by the Secretary of Agriculture, University of Florida
    Inventors: Paul D Shirk, Malcolm J. Fraser, Teresa A. Elick, Omaththage P. Perera
  • Piggybac transposon-based genetic transformation system for insects
    Patent number: 6218185
    Abstract: The present invention is directed to nucleic acid and amino acid sequences for transformation constructs containing piggyBac or tagalong transposable elements. These constructs allow for the precise excision and insertion of heterologous DNA into a host cell.
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: April 17, 2001
    Assignees: The United States of America as represented by the Secretary of Agriculture, University of Notre Dame, University of Florida
    Inventors: Paul D Shirk, Malcolm J. Fraser, Jr., Teresa A. Elick, Omaththage P. Perera