Patents by Inventor Michael E. Waitlevertch

Michael E. Waitlevertch 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).

  • Method for improving the adhesion of brass-coated steel cord to rubber
    Patent number: 4182639
    Abstract: Brass-coated steel cord is provided with improved adhesive characteristics for use in tire making, by coating it with certain combinations of sulfur-containing accelerators and phosphate corrosion inhibitors.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: January 8, 1980
    Assignee: United States Steel Corporation
    Inventors: Arthur J. Pignocco, Michael E. Waitlevertch