Patents by Inventor Waldemar A. Ross

Waldemar A. Ross 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).

  • Pneumatic tire with medium vinyl polybutadiene/polyisoprene blend tread
    Patent number: 4192366
    Abstract: A pneumatic rubber tire having a tread comprised of a blend of cis-1,4 polyisoprene rubber and a medium vinyl polybutadiene rubber cured with an excess of sulfur. Said tire has been found to be useful as an aircraft tire having tread of enhanced durability.
    Type: Grant
    Filed: February 22, 1978
    Date of Patent: March 11, 1980
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard M. Scriver, Jr., Waldemar A. Ross