Patents by Inventor Paul Amstad

Paul Amstad 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 the quantitative determination of DNA sequences
    Patent number: 6337182
    Abstract: Method for the Quantitative Determination of DNA Sequences A method for the quantitative determination of DNA sequences containing at least one mutationally eliminated restriction site is disclosed in which the DNA sequences to be quantitatively determined are selectively amplified continuously eliminating any residual wild-type DNA sequences.
    Type: Grant
    Filed: June 6, 1991
    Date of Patent: January 8, 2002
    Assignee: Dade Behring Marburg GmbH
    Inventors: Peter A. Cerutti, Emanuela Felley-Bosco, Martha Sandy, Paul Amstad, Jacob Zijlstra, Charareh Pourzand
  • Immortalized non-tumorigenic human bronchial epithelial cell lines
    Patent number: 5443954
    Abstract: Immortalized human bronchial epithelial and human mesothelial cell lines have been obtained. Various uses of these cell lines have been described.
    Type: Grant
    Filed: January 2, 1991
    Date of Patent: August 22, 1995
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Roger R. Reddel, Yang Ke, Johng S. Rhim, Douglas E. Brash, Robert T. Su, John F. Lechner, Brenda I. Gerwin, Curtis C. Harris, Paul Amstad
  • Immortalized human bronchial epitherial mesothelial cell lines
    Patent number: 4885238
    Abstract: Immortalized human bronchial epithelial and human mesothelial cell lines have been obtained. Various uses of these cell lines have been described.
    Type: Grant
    Filed: October 30, 1987
    Date of Patent: December 5, 1989
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Roger R. Reddel, Ke Yang, Johng S. Rhim, Douglas Brash, Robert T. Su, John F. Lechner, Brenda I. Gerwin, Curtis C. Harris, Paul Amstad