Patents by Inventor Norman G. Endter

Norman G. Endter 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).

  • Patent number: 5132357
    Abstract: A high structured carbon black having a relatively large particle size and a high surface activity is provided for use in the tread rubber of a pneumatic tire. Tires made using the black demonstrate improved irregular wear and roll resistance properties.
    Type: Grant
    Filed: June 1, 1990
    Date of Patent: July 21, 1992
    Inventors: Norman G. Endter, Eric C. Mizner