Patents by Inventor Richard Irl Zimmerman

Richard Irl Zimmerman 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).

  • Tire tread
    Patent number: D492645
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: July 6, 2004
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard Irl Zimmerman, Rajiv Kumar Mahesh
  • Tire
    Patent number: D593026
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: May 26, 2009
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Dale Edward Umstot, Shannon Joseph Hughes, Kevin Lee Burnworth, Richard Irl Zimmerman, Barry Lynn Petrea
  • Tire
    Patent number: D610971
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: March 2, 2010
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard Irl Zimmerman, Charles Kenneth Schmalix, Dale Edward Umstot
  • Tire
    Patent number: D640970
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: July 5, 2011
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Dale Edward Umstot, Richard Irl Zimmerman, Hans-Peter Guevara Leocadio, Shannon Joseph Hughes