Patents by Inventor Ewa Pierz

Ewa Pierz 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).

  • Corrosion resistant bright finish for light weight vehicle wheels
    Patent number: 6817679
    Abstract: A multiple layered finish for a vehicle wheel surface that includes a first base layer formed from an organic material disposed upon a portion of the wheel surface. The finish also includes a second layer formed form a first inorganic material that covers the base layer and a third layer formed from a second inorganic material disposed over the second layer.
    Type: Grant
    Filed: December 6, 2000
    Date of Patent: November 16, 2004
    Assignee: Hayes Lemmerz International, Inc.
    Inventors: Romulo A. Prieto, Ewa Pierz