Patents by Inventor Mark A. Irvin

Mark A. Irvin 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).

  • Gene transfer methods and compositions
    Publication number: 20050106729
    Abstract: The invention relates to methods and compositions for transferring genetic material into a cell and regulating expression of the transferred genetic material. Included in the invention are methods for inducing the regulated expression of an exogenous nucleic acid introduced in a cell by the use of a regulator molecule that binds to a protein encoded by a second nucleic acid that has also been introduced into the cell.
    Type: Application
    Filed: January 29, 2004
    Publication date: May 19, 2005
    Inventors: Mark Irvin Rosenblatt, Jin-Hong Chang, Dimitri Azar
  • Apparatus for dispensing and retracting tape
    Patent number: 4986487
    Abstract: The disclosed invention relates to an automatic retracting tape measure with torsional bias adjustment. The spring for imparting the requisite bias is attached to a spindle within the tape measure housing. A portion of the spindle is exposed for actuation by a tool external to the housing to increase the bias on the spring as may be necessary.
    Type: Grant
    Filed: April 7, 1989
    Date of Patent: January 22, 1991
    Inventor: Mark A. Irvin