Patents by Inventor Mark Zwerenz

Mark Zwerenz 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).

  • Fire retardant fabrics and methods for making the same
    Patent number: 8635846
    Abstract: A fire retardant fabric is manufactured from oxidized polyacrylonitrile fibers having a fineness of about 0.5 to about 1.5 denier per fiber.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: January 28, 2014
    Inventors: James E. Hendrix, Tung-Yuan Ke, Fabrizio Balestri, Mark Zwerenz
  • FIRE RETARDANT FABRICS AND METHODS FOR MAKING THE SAME
    Publication number: 20110239618
    Abstract: A fire retardant fabric is manufactured from oxidized polyacrylonitrile fibers having a fineness of about 0.5 to about 1.5 denier per fiber.
    Type: Application
    Filed: March 29, 2011
    Publication date: October 6, 2011
    Inventors: James E. Hendrix, Tung-Yuan Ke, Fabrizio Balestri, Mark Zwerenz