Patents by Inventor Priscilla A. Bernikowicz

Priscilla A. Bernikowicz 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).

  • Case hardened steel blades for sports equipment and method of manufacture
    Patent number: 6458220
    Abstract: Steel alloys susceptible to case and core hardening comprise 0.05 to 0.24 weight percent carbon; 15 to 28 weight percent cobalt and 1.5 to 9.5 weight percent in nickel, small percentages of one or more additives: chromium, molybdenum, and vanadium; and the balance iron. Blades for ice skating or other sports equipment made from such alloys provide predictable and reproducible characteristics and permit fabrication with hardened edges on a ductile, strong substrate or base.
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: October 1, 2002
    Assignee: Northwestern University
    Inventors: Charles J. Kuehmann, Priscilla A. Bernikowicz, Gregory B. Olson, John P. Wise, Carelyn E. Campbell