Patents by Inventor Tammy E. Hedlund

Tammy E. Hedlund 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).

  • Immortalized cell lines and methods of making the same
    Publication number: 20030059897
    Abstract: The present invention relates to methods of immortalizing various primary cell cultures, including pituitary cells, neurons, beta islet cells, glial cells, corneal epithelial cells and follicular stellate cells. The primary cells are transfected with a vector containing an establishment oncogene, resulting in non-transformed immortalized cells. The primary cells and/or the subsequent immortalized cells are cultured in a defined media containing one or more environmental factor(s) that control the proliferation and/or differentiation of the cells.
    Type: Application
    Filed: August 13, 2002
    Publication date: March 27, 2003
    Applicant: Vitro Diagnostics, Inc.
    Inventors: James R. Musick, John Charles Gill, Bruce P. Burnett, Tammy E. Hedlund
  • Immortalized cell lines and methods of making the same
    Patent number: 6458593
    Abstract: The present invention relates to methods of immortalizing various primary cell cultures, including pituitary cells, neurons, beta islet cells, glial cells, corneal epithelial cells and follicular stellate cells. The primary cells are transfected with a vector containing an establishment oncogene, resulting in non-transformed immortalized cells. The primary cells and/or the subsequent immortalized cells are cultured in a defined media containing one or more environmental factor(s) that control the proliferation and/or differentiation of the cells.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: October 1, 2002
    Assignee: Vitro Diagnostics, Inc.
    Inventors: James R. Musick, John Charles Gill, IV, Bruce P. Burnett, Tammy E. Hedlund