Patents by Inventor David Zuppan

David Zuppan 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).

  • Foundation wall system
    Patent number: 7137225
    Abstract: A wall system uses panels constituted by a sandwich of two polyolefin sheets and an interior layer of glass fiberboard. Such structural panels are used with a system of steel studs and channels to form walls of high strength and light weight. These walls are particularly suitable for foundations and basements, and exhibits strength, water resistance, and insulating values far in excess of those of conventional foundation walls.
    Type: Grant
    Filed: June 25, 2002
    Date of Patent: November 21, 2006
    Inventor: David Zuppan
  • Foundation wall system
    Publication number: 20030233808
    Abstract: A wall system uses panels constituted by a sandwich of two polyolefin sheets and an interior layer of glass fiberboard. Such structural panels are used with a system of steel studs and channels to form walls of high strength and light weight. These walls are particularly suitable for foundations and basements, and exhibits strength, water resistance, and insulating values far in excess of those of conventional foundation walls.
    Type: Application
    Filed: June 25, 2002
    Publication date: December 25, 2003
    Inventor: David Zuppan
  • Transcutaneous electrical nerve stimulator
    Patent number: D319881
    Type: Grant
    Filed: March 2, 1989
    Date of Patent: September 10, 1991
    Assignee: Empi, Inc.
    Inventors: David Zuppan, Zosim Ioffe