Patents by Inventor Richard Schlegal

Richard Schlegal 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).

  • Method for producing immortalized cell lines using human papilluma virus genes
    Patent number: 5376542
    Abstract: A process of immortalizing cells with isolated HPV-16, 18, 31, 33 or 35 E6 and E7 genes or the E7 gene alone to produce non-tumorigenic immortalized cell lines which retain the differentiated phenotypic characteristics of the parent cells.
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: December 27, 1994
    Assignee: Georgetown University
    Inventor: Richard Schlegal